1910 09  8.80   2.20   5.50 
1910 10  9.10   1.80   5.45 
1910 11 14.50   6.70  10.60 
1910 12 15.10   5.90  10.50 
1911 01 19.29  10.30  14.79 
1911 02 16.79  10.10  13.45 
1911 03 13.60   7.40  10.50 
1911 04 11.20   4.19   7.70 
1911 05  8.50   3.60   6.05 
1911 06  3.80  -2.09    .85 
1911 07  3.70  -1.70   1.00 
1911 08  6.70   1.00   3.85 
1911 09  8.70   2.80   5.75 
1911 10 12.10   3.80   7.95 
1911 11 17.79   9.20  13.50 
1911 12 15.10   6.90  11.00 
1912 01 20.70  10.30  15.50 
1912 02 21.90  14.10  18.00 
1912 03 18.70  10.70  14.70 
1912 04 12.10   3.60   7.85 
1912 05  9.39   2.70   6.05 
1912 06  6.70    .50   3.60 
1912 07  4.19   -.70   1.74 
1912 08  5.60   -.40   2.60 
1912 09  6.10    .40   3.25 
1912 10 11.10   3.20   7.15 
1912 11 13.40   5.90   9.64 
1912 12 16.79   8.70  12.75 
1913 01 20.10  10.40  15.25 
1913 02 20.10  11.70  15.90 
1913 03 12.40   5.30   8.85 
1913 04 12.80   6.40   9.60 
1913 05  6.80   1.10   3.95 
1913 06  4.90    . 0   2.45 
1913 07  4.40   -.40   2.00 
1913 08  4.40  -1.10   1.65 
1915 01 17.79   6.30  12.04 
1915 02 16.20   8.89  12.55 
1915 03 16.40   7.80  12.10 
1915 04 12.80   4.90   8.85 
1915 05  7.70   1.50   4.60 
1915 06  5.60   -.60   2.50 
1915 07  3.90   -.70   1.60 
1915 08  4.30  -1.20   1.55 
1915 09  6.60    .70   3.65 
1915 10  8.89   1.30   5.10 
1915 11 12.80   2.80   7.80 
1915 12 19.20   9.30  14.25 
1916 01 20.10  10.90  15.50 
1916 02 20.10  10.60  15.35 
1916 03 17.60   8.00  12.80 
1916 04 10.10   3.10   6.60 
1916 05  9.70   2.09   5.89 
1916 06  3.30  -1.20   1.04 
1916 07  4.10  -1.70   1.19 
1916 08  3.20  -2.09    .55 
1916 09  9.39   2.90   6.14 
1916 10  9.70   1.90   5.80 
1916 11  9.89   2.80   6.35 
1916 12 17.40   8.20  12.79 
1917 01 19.79  10.30  15.04 
1917 02 16.60   7.60  12.10 
1917 03 14.90   6.60  10.75 
1917 04  9.80   2.30   6.05 
1917 05  5.00   -.30   2.34 
1917 06  4.19    .20   2.19 
1917 07  2.40  -1.40    .50 
1917 08  4.69   -.60   2.05 
1917 09  6.70   1.10   3.90 
1917 10 10.20   3.60   6.89 
1917 11 13.00   5.80   9.39 
1917 12 18.20  11.20  14.70 
1918 01 19.20  11.70  15.45 
1918 02 18.29   9.60  13.95 
1918 03 14.30   6.80  10.55 
1918 04 11.30   4.60   7.95 
1918 05  7.80   2.30   5.05 
1918 06  4.30   -.30   2.00 
1918 08  5.70    .50   3.10 
1918 09  9.10   1.50   5.30 
1918 10  9.39   1.70   5.55 
1918 11 16.79   6.40  11.60 
1918 12 18.20   7.90  13.05 
1919 01 21.10  10.80  15.95 
1919 02 21.70  13.30  17.50 
1919 03 15.30   7.00  11.15 
1919 04 13.90   6.30  10.10 
1919 05  8.89   3.20   6.05 
1919 06  4.60   -.30   2.14 
1919 07  4.19  -1.30   1.45 
1919 08  5.50   -.50   2.50 
1919 09  7.80   1.30   4.55 
1919 10 11.90   3.80   7.85 
1919 11 16.90   7.30  12.10 
1919 12 18.79   9.20  14.00 
1920 01 18.29   9.10  13.70 
1920 02 20.80  11.40  16.09 
1920 03 16.00   5.30  10.65 
1920 04 10.50   3.90   7.20 
1920 05  6.00    . 0   3.00 
1920 06  3.70   -.70   1.50 
1920 07  2.90  -1.40    .75 
1920 08  3.70   -.90   1.40 
1920 10 11.30   5.50   8.39 
1920 11 13.90   7.30  10.60 
1920 12 17.70   9.70  13.70 
1923 01 99.99   8.80 -99.99 
1923 03 19.50 -99.99 -99.99 
1923 04 15.60   8.00  11.80 
1923 05  4.80    .20   2.50 
1923 06  4.40    .10   2.25 
1923 07  3.70  -1.10   1.30 
1923 08  3.80  -1.30   1.25 
1923 09 10.60 -99.99 -99.99 
1923 10 10.60   3.20   6.90 
1923 11 11.90   3.20   7.55 
1923 12 16.60  10.60  13.60 
1924 01 16.10   9.89  13.00 
1924 02 16.40   8.60  12.50 
1924 03 15.40   8.30  11.85 
1924 04  9.30   3.70   6.50 
1924 05  7.90   1.90   4.90 
1924 06  4.00  -1.20   1.40 
1924 07  5.60   -.40   2.60 
1924 08  4.69   -.90   1.89 
1924 09  7.40   1.30   4.35 
1924 10  9.89   2.70   6.30 
1924 11 12.20   5.20   8.70 
1924 12 15.90   7.60  11.75 
1925 01 16.90   9.50  13.20 
1925 02 16.10   8.70  12.40 
1925 03 16.00   8.80  12.40 
1925 04 12.90   6.10   9.50 
1926 09  9.70   3.40   6.55 
1926 10 10.20   3.80   7.00 
1926 11 14.60   6.20  10.40 
1926 12 17.10   8.60  12.85 
1927 01 20.20  11.80  16.00 
1927 02 19.29  10.00  14.65 
1927 03 15.60   6.70  11.15 
1927 04 12.40   5.40   8.89 
1927 05  7.90   1.40   4.65 
1927 06  4.80   -.80   2.00 
1927 07  2.60  -1.20    .69 
1927 08  3.70  -1.20   1.25 
1927 09  7.70   1.50   4.60 
1927 10 12.40   5.30   8.85 
1927 11 17.20   9.00  13.10 
1927 12 17.79   9.39  13.60 
1928 01 17.60   9.20  13.40 
1928 02 18.90  12.00  15.45 
1928 03 17.10  10.40  13.75 
1928 04 12.60   6.70   9.64 
1928 05  7.10   1.60   4.35 
1928 06  5.10    .70   2.90 
1928 07  4.10   -.20   1.95 
1928 08  6.50    .80   3.65 
1928 09  8.39   2.40   5.39 
1928 10  8.39   1.20   4.79 
1928 11 15.60   7.00  11.30 
1928 12 19.20  10.40  14.80 
1929 01 19.60  10.60  15.10 
1929 02 21.60  12.80  17.20 
1929 03 16.10   8.60  12.35 
1929 04 11.00   4.90   7.95 
1929 05  7.70   2.30   5.00 
1929 06  4.50   -.50   2.00 
1929 07  2.50  -2.20    .14 
1929 08  5.00   -.80   2.09 
1929 09  8.10    .90   4.50 
1929 10 11.10   4.19   7.65 
1929 11 13.90   5.70   9.79 
1929 12 15.20   7.40  11.30 
1930 01 20.40  10.90  15.65 
1930 02 22.60  14.10  18.35 
1930 03 18.29  10.60  14.45 
1930 04 11.60   4.90   8.25 
1930 05  8.70   3.70   6.20 
1930 06  7.10   1.90   4.50 
1930 07  4.30    .70   2.50 
1930 08  4.50    .20   2.34 
1930 09  7.20    .60   3.90 
1930 10 12.30   6.20   9.25 
1930 11 13.60   5.90   9.75 
1930 12 16.29   9.70  13.00 
1931 01 16.79   8.60  12.70 
1931 02 19.00  10.70  14.85 
1931 03 15.40   8.30  11.85 
1931 04 11.50   6.20   8.85 
1931 05  6.50   2.80   4.65 
1931 06  4.19    .20   2.19 
1931 07  2.90   -.90   1.00 
1931 08  4.30   -.80   1.75 
1931 09  6.20   1.10   3.65 
1931 10 11.70   3.30   7.50 
1931 11 13.80   6.40  10.10 
1931 12 19.40  10.40  14.90 
1932 01 22.70  13.60  18.15 
1932 02 17.50   9.80  13.65 
1932 03 14.80   8.60  11.70 
1932 04 10.10   5.20   7.65 
1932 05 10.40   4.30   7.35 
1932 06  3.80   -.30   1.75 
1932 07  3.20  -1.00   1.10 
1932 08  5.10    .10   2.60 
1932 09  9.39   3.20   6.30 
1932 10  8.60   2.60   5.60 
1932 11 15.40   7.30  11.35 
1932 12 16.10   7.90  12.00 
1933 01 17.60   9.70  13.65 
1933 02 19.50  10.40  14.95 
1933 03 17.29   9.60  13.45 
1933 04 12.00   5.30   8.64 
1933 05  7.60   2.80   5.20 
1933 06  5.80   1.20   3.50 
1933 07  5.20    .60   2.90 
1933 08  4.00  -1.00   1.50 
1933 09  7.30   1.60   4.45 
1933 10 12.70   5.60   9.14 
1933 11 14.90   7.60  11.25 
1933 12 15.80   9.30  12.55 
1934 01 19.20  12.20  15.70 
1934 02 18.90  11.60  15.25 
1934 03 17.70  11.70  14.70 
1934 04  9.89   5.10   7.50 
1934 05 10.70   5.10   7.89 
1934 06  4.90    .60   2.75 
1934 07  4.69    .60   2.65 
1934 08  4.90    .20   2.55 
1934 09  7.90   1.70   4.80 
1934 10  9.39   2.50   5.95 
1934 11 13.60   6.90  10.25 
1934 12 16.10   8.20  12.15 
1935 01 18.40  10.30  14.35 
1935 02 17.90  10.40  14.15 
1935 03 14.40   8.10  11.25 
1935 04 10.40   5.20   7.80 
1935 05  6.90   1.40   4.15 
1935 06  5.40    .50   2.95 
1935 07  3.80   -.50   1.65 
1935 08  5.70    .90   3.30 
1935 09  8.00   1.20   4.60 
1935 10 10.80   4.40   7.60 
1935 11 13.90   6.20  10.04 
1935 12 16.90   9.00  12.95 
1936 01 18.79  11.30  15.04 
1936 02 18.40  11.10  14.75 
1936 03 17.60   9.89  13.75 
1936 04 10.80   4.40   7.60 
1936 05  9.20   3.70   6.45 
1936 06  3.60   -.70   1.45 
1936 07  3.30   -.30   1.50 
1936 08  4.00   -.20   1.90 
1936 09  7.30    .80   4.05 
1936 10 10.30   3.30   6.80 
1936 11 14.90   6.40  10.65 
1936 12 16.40   9.70  13.04 
1937 01 16.70   8.70  12.70 
1937 02 19.10  11.60  15.35 
1937 03 16.20   9.30  12.75 
1937 04 11.60   5.10   8.35 
1937 05  6.70   2.09   4.39 
1937 06  5.10    .20   2.65 
1937 07  4.00  -1.20   1.40 
1937 08  6.80   1.80   4.30 
1937 09  8.00   2.30   5.15 
1937 10 13.20   6.40   9.80 
1937 11 16.79   9.20  13.00 
1937 12 18.00  10.40  14.20 
1938 01 19.20  10.40  14.80 
1938 02 17.40   9.80  13.60 
1938 03 18.60  11.10  14.85 
1938 04 13.50   7.20  10.35 
1938 05  9.80   4.90   7.35 
1938 06  4.30    .10   2.20 
1938 07  4.19   -.30   1.95 
1938 08  4.90    .20   2.55 
1938 09  8.10   2.09   5.10 
1938 10 14.20   6.60  10.40 
1938 11 17.60   9.20  13.40 
1938 12 18.79   9.20  14.00 
1939 01 24.80  15.20  20.00 
1939 02 22.40  14.20  18.29 
1939 03 16.00   9.60  12.80 
1939 04 10.70   6.10   8.39 
1939 05 10.00   5.40   7.70 
1939 06  3.90    .30   2.10 
1939 07  3.20  -1.30    .95 
1939 08  3.10   -.60   1.25 
1939 09  7.30   1.40   4.35 
1939 10 10.30   3.70   7.00 
1939 11 12.20   5.60   8.89 
1939 12 16.29   7.60  11.95 
1940 01 20.10  10.60  15.35 
1940 02 18.20  10.30  14.25 
1940 03 21.40  13.50  17.45 
1940 04 10.50   5.20   7.85 
1940 05  7.30   2.09   4.69 
1940 06  5.90    .70   3.30 
1940 07  3.60    . 0   1.80 
1940 08  6.30    .80   3.55 
1940 09  9.00   2.50   5.75 
1940 10 14.00   6.20  10.10 
1940 11 13.80   5.40   9.60 
1940 12 19.70  10.80  15.25 
1941 01 18.20  10.90  14.55 
1941 02 17.40   9.89  13.65 
1941 03 13.10   7.10  10.10 
1941 04 13.40   7.60  10.50 
1941 05  8.60   2.80   5.70 
1941 06  5.30    .80   3.05 
1941 07  3.70   -.70   1.50 
1941 08  5.50    .30   2.90 
1941 09  7.10   1.70   4.40 
1941 10 10.20   2.20   6.20 
1941 11 16.40   8.20  12.29 
1941 12 18.60  10.30  14.45 
1942 01 21.20  11.90  16.54 
1942 02 18.79  11.20  15.00 
1942 03 17.10   9.80  13.45 
1942 04 12.70   6.30   9.50 
1942 05  7.70   3.60   5.64 
1942 06  4.60    .60   2.60 
1942 07  3.80   -.70   1.55 
1942 08  3.70    . 0   1.85 
1942 09  6.80   1.40   4.10 
1942 10 10.70   3.90   7.30 
1942 11 14.20   7.40  10.80 
1942 12 19.29  11.20  15.25 
1943 01 18.29  10.30  14.29 
1943 02 19.90  12.00  15.95 
1943 03 18.40  10.80  14.60 
1943 04  8.39   3.50   5.95 
1943 05  6.80   1.90   4.35 
1943 06  3.10   -.90   1.09 
1943 07  1.60  -1.90   -.14 
1943 08  2.40  -1.80    .30 
1943 09  6.40   1.00   3.70 
1943 10 10.80   4.30   7.55 
1943 11 13.40   5.90   9.64 
1943 12 17.70   8.80  13.25 
1944 01 21.10  12.00  16.54 
1944 02 18.50   9.70  14.10 
1944 03 16.60   8.80  12.70 
1944 04  9.10   2.80   5.95 
1944 05  6.20   2.20   4.19 
1944 06  5.60    .50   3.05 
1944 07  3.60   -.70   1.45 
1944 08  5.60    .30   2.95 
1944 09  9.39   3.20   6.30 
1944 10 12.30   5.10   8.70 
1944 11 16.00   8.20  12.10 
1944 12 15.90   7.90  11.90 
1945 01 19.10  11.30  15.20 
1945 02 17.00   9.50  13.25 
1945 03 15.30   6.90  11.10 
1945 04 12.70   5.90   9.30 
1945 05  8.70   3.20   5.95 
1945 06  6.20   1.90   4.04 
1945 07  4.00   -.70   1.65 
1945 08  4.10    .20   2.14 
1945 09  6.60    .70   3.65 
1945 10 10.40   3.80   7.10 
1945 11 14.30   7.40  10.85 
1945 12 20.50  11.90  16.20 
1946 01 20.70  12.30  16.50 
1946 02 17.79  11.20  14.50 
1946 03 12.80   6.80   9.80 
1946 04 10.60   4.69   7.65 
1946 05  8.30   2.80   5.55 
1946 06  4.30   -.40   1.95 
1946 07  2.70   -.40   1.15 
1946 08  3.40   -.90   1.25 
1946 09  7.30    .70   4.00 
1946 10 10.30   3.30   6.80 
1946 11 15.30   8.10  11.70 
1946 12 17.60   9.60  13.60 
1947 01 20.60  11.60  16.10 
1947 02 19.79  12.70  16.25 
1947 03 15.10   9.10  12.10 
1947 04 11.30   5.80   8.55 
1947 05  9.89   4.90   7.39 
1947 06  4.30    .10   2.20 
1947 07  2.50   -.80    .85 
1947 08  3.90  -1.10   1.40 
1947 09  7.20   1.50   4.35 
1947 10  9.30   2.90   6.10 
1947 11 13.40   6.00   9.70 
1947 12 15.60   8.30  11.95 
1948 01 18.20  10.10  14.15 
1948 02 18.79  12.40  15.60 
1948 03 14.40   6.80  10.60 
1948 04 11.70   5.80   8.75 
1948 05  6.90   1.40   4.15 
1948 06  5.50   1.00   3.25 
1948 07  3.10  -1.70    .69 
1948 08  5.10    .50   2.80 
1948 09  8.80   2.09   5.45 
1948 10  9.30   2.30   5.80 
1948 11 12.90   5.20   9.04 
1948 12 17.10   9.39  13.25 
1949 01 18.00   9.80  13.90 
1949 02 16.70   9.10  12.90 
1949 03 16.29   9.89  13.10 
1949 04 11.20   4.90   8.05 
1949 05  7.10   2.30   4.69 
1949 06  4.90   -.30   2.30 
1949 07  4.40   -.10   2.15 
1949 08  5.20    . 0   2.60 
1949 09  8.60   2.70   5.65 
1949 10  9.20   4.10   6.64 
1949 11 12.40   5.90   9.14 
1949 12 16.60   8.30  12.45 
1950 01 19.00  10.10  14.55 
1950 02 17.79  11.20  14.50 
1950 03 16.40   9.70  13.04 
1950 04 12.50   6.40   9.45 
1950 05  9.30   3.60   6.45 
1950 06  6.40   1.40   3.90 
1950 07  5.30   1.30   3.30 
1950 08  4.60    .20   2.39 
1950 09  8.39   3.10   5.75 
1950 10 10.90   4.80   7.85 
1950 11 14.80   7.60  11.20 
1950 12 18.90  11.10  15.00 
1951 01 20.90  11.90  16.40 
1951 02 20.10  11.70  15.90 
1951 03 18.90  11.30  15.10 
1951 04  8.20   2.60   5.39 
1951 05  7.40   2.50   4.94 
1951 06  6.50   2.60   4.55 
1951 07  3.60   -.80   1.40 
1951 08  2.80  -1.20    .79 
1951 09 10.00   3.80   6.90 
1951 10 10.20   3.60   6.89 
1951 11 13.90   4.60   9.25 
1951 12 18.60   9.50  14.05 
1952 01 21.20  12.20  16.70 
1952 02 20.29  11.10  15.70 
1952 03 18.20  10.60  14.40 
1952 04  9.80   4.90   7.35 
1952 05  6.30   1.90   4.10 
1952 06  4.60    .50   2.55 
1952 07  3.10  -1.30    .90 
1952 08  6.10    .70   3.40 
1952 09  7.60   1.20   4.40 
1952 10  9.89   3.70   6.80 
1952 11 11.50   4.30   7.90 
1952 12 16.70   8.80  12.75 
1953 01 18.60  10.80  14.70 
1953 02 18.90  10.50  14.70 
1953 03 18.40  10.30  14.35 
1953 04 12.40   6.30   9.35 
1953 05  8.89   3.30   6.10 
1953 06  3.50   -.20   1.65 
1953 07  3.50   -.80   1.35 
1953 08  3.70  -1.20   1.25 
1953 09  6.70   1.10   3.90 
1953 10 11.10   3.40   7.25 
1953 11 13.10   5.30   9.20 
1953 12 17.79   9.10  13.45 
1954 01 21.40  12.60  17.00 
1954 02 17.79  10.20  14.00 
1954 03 15.70   7.30  11.50 
1954 04 12.80   7.30  10.05 
1954 05  6.90   2.30   4.60 
1954 06  4.10    .40   2.25 
1954 07  5.00    .10   2.55 
1954 08  5.20    .30   2.75 
1954 11 14.40   6.90  10.65 
1954 12 17.40   9.70  13.54 
1955 01 19.70  11.60  15.65 
1955 02 18.40  11.60  15.00 
1955 03 17.20  11.10  14.15 
1955 04 12.50   6.40   9.45 
1955 05  6.40   1.90   4.15 
1955 06  5.50    .60   3.05 
1955 07  3.40   -.90   1.25 
1955 09  7.70   2.50   5.10 
1955 10  9.60   3.80   6.70 
1955 11 11.50   3.80   7.65 
1955 12 15.80   7.90  11.85 
1956 01 17.60   9.80  13.70 
1956 02 21.40  13.20  17.29 
1956 03 17.29  10.80  14.04 
1956 04 10.20   4.80   7.50 
1956 05  6.90   2.80   4.85 
1956 06  3.70   -.10   1.80 
1956 07  2.60   -.80    .90 
1956 08  1.70  -1.80    .-4 
1965 01 19.52   9.76  14.64 
1965 02 22.80  13.14  17.96 
1965 03 19.12   9.92  14.52 
1965 05  7.50   3.16   5.33 
1965 06  6.51   1.13   3.82 
1965 07  4.92    . 5   2.49 
1965 08  5.93   1.16   3.55 
1965 09  9.71   3.63   6.67 
1965 10 14.26   6.78  10.52 
1965 11 14.25   5.28   9.76 
1965 12 99.99  11.47 -99.99 
1966 02 19.34   9.82  14.58 
1966 03 16.32   9.39  12.85 
1966 05  8.02   2.42   5.22 
1966 06  6.53   1.10   3.81 
1966 07  3.22  -1.14   1.04 
1966 08  4.96    .13   2.55 
1966 09  7.53   1.81   4.67 
1966 11 15.60   4.65  10.12 
1966 12 15.91   8.45  12.18 
1967 02 20.86  12.68  16.77 
1967 03 17.04   8.93  12.98 
1967 04 14.48   7.21  10.84 
1967 05  9.66   4.10   6.88 
1967 06  8.89   3.59   6.24 
1967 07  4.06    .-1   2.02 
1967 08  4.92   -.32   2.30 
1967 09  7.73   1.40   4.56 
1967 10 14.05   5.50   9.77 
1967 11 15.34   5.95  10.64 
1967 12 16.59   7.63  12.11 
1968 01 22.14  13.20  17.67 
1968 02 23.90  14.46  19.18 
1968 03 19.46  11.79  15.62 
1968 04 12.76   7.29  10.02 
1968 06  5.30   -.16   2.57 
1968 07  4.26  -1.19   1.53 
1968 08  3.28 -99.99 -99.99 
1968 09 99.99    .40 -99.99 
1968 10 99.99   2.51 -99.99 
1968 11 12.31   4.27   8.29 
1968 12 17.56   9.12  13.34 
1969 01 22.45  12.41  17.43 
1969 02 20.32  13.26  16.79 
1969 03 16.29   9.96  13.12 
1969 04 12.61   5.91   9.26 
1969 05  7.62   2.33   4.97 
1969 06  6.32 -99.99 -99.99 
1969 07  4.98 -99.99 -99.99 
1969 08  6.98   1.61   4.29 
1969 09  5.15   -.41   2.37 
1969 10 13.56   6.02   9.79 
1969 11 14.60   6.50  10.55 
1969 12 15.46   7.17  11.31 
1970 01 18.09   9.78  13.93 
1970 12 18.03   9.39  13.71 
1971 01 19.87  11.17  15.52 
1971 02 99.99  12.30 -99.99 
1971 03 99.99  11.78 -99.99 
1971 04 14.45   7.33  10.89 
1971 05  9.22   1.86   5.54 
1971 06 99.99   -.21 -99.99 
1971 07 99.99   -.64 -99.99 
1971 08  3.54   -.85   1.34 
1971 09  7.12    .71   3.91 
1971 10  9.55   1.98   5.76 
1971 11 13.25   5.17   9.21 
1971 12 17.15   8.74  12.94 
1972 01 18.77  10.78  14.77 
1972 02 18.76  10.95  14.85 
1972 03 16.79   8.93  12.86 
1972 04 99.99   5.99 -99.99 
1972 05 10.53   3.98   7.25 
1972 06  7.69   1.63   4.66 
1972 07  3.15  -1.19    .98 
1972 08  5.77    .56   3.16 
1972 09 10.55   3.75   7.15 
1972 10 13.41   5.20   9.30 
1972 11 15.50   7.09  11.29 
1972 12 21.01  11.18  16.09 
1973 01 22.90  13.31  18.10 
1973 02 19.11  12.07  15.59 
1973 03 15.27   8.02  11.64 
1973 04 12.67   6.63   9.64 
1973 05  8.58   2.80   5.69 
1973 06  4.92    .27   2.60 
1973 07  7.25   1.21   4.23 
1973 08  5.77    .25   3.01 
1973 10 11.88   5.22   8.55 
1973 11 13.83   6.82  10.32 
1973 12 18.20   9.97  14.08 
1974 01 21.13  13.31  17.21 
1974 02 19.54  11.74  15.64 
1974 03 19.51  11.78  15.64 
1974 04 11.57   6.75   9.16 
1974 05  9.33   4.16   6.74 
1974 06  6.06    .76   3.41 
1974 07  3.70   -.61   1.54 
1974 08  4.07   -.41   1.83 
1974 09  5.77   -.11   2.83 
1974 10 10.35   3.11   6.73 
1974 11 13.67   4.98   9.33 
1974 12 17.23   7.77  12.50 
1975 01 19.06   9.55  14.30 
1975 02 21.91  12.85  17.38 
1975 03 99.99   8.22 -99.99 
1975 04 12.57   6.00   9.28 
1975 05  8.46   3.41   5.93 
1975 06  7.01   1.41   4.21 
1975 07  4.89    .83   2.86 
1975 08  4.94   -.37   2.28 
1975 09  9.66   3.10   6.38 
1975 10 10.10   3.99   7.04 
1975 11 15.33   7.07  11.20 
1975 12 19.44  10.44  14.94 
1976 01 99.99  11.02 -99.99 
1976 02 99.99  13.33 -99.99 
1976 03 18.19  10.29  14.24 
1976 04 12.88   6.17   9.52 
1976 05  8.78   2.75   5.76 
1976 06  6.39    .86   3.62 
1976 07  5.80    .-9   2.85 
1976 08  5.74   -.60   2.57 
1976 09  7.93   1.14   4.53 
1976 10  9.57   3.12   6.34 
1976 11 14.27   5.86  10.06 
1976 12 16.61   7.18  11.89 
1977 01 20.48  11.59  16.03 
1977 02 21.94  13.65  17.79 
1977 03 16.01   8.82  12.41 
1977 04 11.95   4.21   8.08 
1977 05  7.23   1.91   4.57 
1977 06  5.26   -.16   2.55 
1977 07  4.86  -1.41   1.72 
1977 08  7.26   1.01   4.13 
1977 09  8.71   1.37   5.04 
1977 10 14.05   6.30  10.17 
1977 11 15.95   6.89  11.42 
1977 12 19.37   9.49  14.43 
1978 01 19.82  11.08  15.45 
1978 02 21.09 -99.99 -99.99 
1978 03 18.75 -99.99 -99.99 
1978 04 13.78   5.67   9.72 
1978 05  9.71   4.64   7.17 
1978 06  5.13    .69   2.91 
1978 07  2.92  -1.66    .63 
1978 08  4.71   -.57   2.07 
1978 09  8.18   1.65   4.91 
1978 10 12.35   4.34   8.34 
1978 11 15.28   6.63  10.95 
1978 12 16.51   7.89  12.20 
1979 01 24.51  14.94  19.72 
1979 02 22.85  12.77  17.81 
1979 03 18.54  10.25  14.40 
1979 04 11.17   4.57   7.87 
1979 05  8.72   1.86   5.29 
1979 06  6.72   1.82   4.27 
1979 07  3.81   -.91   1.45 
1979 08  5.23   -.40   2.41 
1979 09  7.58    .92   4.25 
1979 10 11.54   3.53   7.53 
1979 11 16.48   7.74  12.11 
1979 12 19.35   9.68  14.51 
1980 01 19.37   9.21  14.29 
1980 02 22.38  11.67  17.02 
1980 03 19.62  10.34  14.98 
