1920 06 28.39  14.19  21.29 
1920 07 31.68  16.77  24.22 
1920 08 29.86  15.73  22.79 
1920 09 29.50  14.37  21.93 
1920 10 24.39   7.17  15.78 
1920 11 12.39    .58   6.48 
1920 12  6.17  -3.61   1.28 
1921 01  7.39  -3.35   2.02 
1921 02  8.04  -1.69   3.17 
1921 03 17.37   4.53  10.95 
1921 04 20.20   7.78  13.99 
1921 05 24.77   9.80  17.28 
1921 06 31.75  18.19  24.97 
1921 07 34.64  19.62  27.13 
1921 08 30.54  16.94  23.74 
1921 09 29.62  15.64  22.63 
1921 10 20.49   5.15  12.82 
1921 11 13.70   1.57   7.63 
1921 12  7.31 -99.99 -99.99 
1922 01  3.10  -6.64  -1.77 
1922 02  7.24  -2.26   2.48 
1922 03 12.18   2.30   7.24 
1922 04 19.43   7.57  13.50 
1922 05 26.32  13.55  19.93 
1922 06 99.99  14.91 -99.99 
1922 07 31.19  16.56  23.87 
1922 08 31.40  16.37  23.88 
1922 10 99.99   6.79 -99.99 
1922 11 99.99    .95 -99.99 
1922 12  7.22  -3.22   1.99 
1923 02 99.99  -6.83 -99.99 
1923 04 17.81   4.23  11.02 
1923 05 23.34  10.46  16.90 
1923 06 29.36  16.27  22.81 
1923 07 32.06  16.90  24.48 
1923 08 31.14  17.25  24.19 
1923 09 26.59  14.63  20.61 
1923 11 12.75    .94   6.84 
1924 02  4.17  -4.17    . 0 
1924 03  7.91  -1.51   3.19 
1924 04 19.00   6.24  12.62 
1924 05 19.94   7.51  13.72 
1924 06 28.03  16.53  22.28 
1924 07 29.84  15.83  22.83 
1924 08 31.75  16.91  24.33 
1924 09 25.84 -99.99 -99.99 
1924 11 12.65    .63   6.64 
1924 12  3.42  -6.82  -1.70 
1925 01  4.13  -5.08   -.47 
1925 02  9.64  -1.91   3.86 
1925 03 13.32    .50   6.91 
1925 04 21.75   6.73  14.24 
1925 05 23.03   6.99  15.01 
1925 06 31.20  17.42  24.31 
1925 07 32.29  17.58  24.93 
1925 09 31.73  19.42  25.57 
1925 10 13.60   4.11   8.85 
1925 11  9.46   -.12   4.67 
1925 12  3.27  -5.73  -1.23 
1926 01  2.70  -6.38  -1.84 
1926 02  6.23  -1.68   2.27 
1926 03  7.16  -2.56   2.30 
1926 04 14.44   2.50   8.46 
1926 05 26.66  10.33  18.49 
1926 06 28.12  12.95  20.53 
1926 07 33.75  17.89  25.82 
1926 08 30.86  19.19  25.02 
1926 09 27.43  16.04  21.73 
1926 10 20.12   7.60  13.86 
1926 11  9.60    .-6   4.77 
1926 12  4.23  -4.44   -.10 
1927 01  2.14  -6.39  -2.12 
1927 02  9.68  -1.85   3.91 
1927 03 12.14   2.11   7.13 
1927 04 17.90   7.01  12.45 
1927 05 22.26  11.77  17.01 
1927 06 26.37  14.24  20.30 
1927 07 31.85  16.79  24.32 
1927 08 27.74  13.29  20.51 
1927 09 29.73  14.98  22.35 
1927 10 22.45   7.23  14.84 
1927 11 13.36   3.01   8.18 
1927 12  5.36  -5.34    . 0 
1928 01  3.00  -7.20  -2.09 
1928 02  4.25  -4.13    . 5 
1928 03 10.28   -.50   4.89 
1928 04 14.77   3.32   9.04 
1928 05 23.23   9.77  16.50 
1928 06 25.94  14.29  20.11 
1928 07 31.92  17.60  24.76 
1928 08 32.07  17.90  24.98 
1928 09 25.36   8.96  17.16 
1928 10 21.85   8.39  15.12 
1928 11 11.48   1.23   6.35 
1928 12  6.55  -3.51   1.52 
1929 01  2.08  -8.12  -3.01 
1929 02   .88  -9.27  -4.19 
1929 03 99.99   3.04 -99.99 
1929 04 19.21   7.55  13.38 
1929 05 22.05   9.41  15.73 
1929 06 28.49  14.07  21.28 
1929 07 31.66  18.04  24.85 
1929 08 30.19  15.88  23.03 
1929 09 25.90  13.17  19.53 
1929 10 17.98   5.61  11.79 
1929 11  9.10    .27   4.69 
1929 12  4.73  -4.27    .23 
1930 01  1.16  -8.27  -3.55 
1930 02  9.39    .48   4.93 
1930 03 10.33  -1.26   4.53 
1930 04 19.84   6.69  13.26 
1930 05 25.31  11.15  18.23 
1930 06 29.31  14.25  21.78 
1930 07 35.23  18.01  26.62 
1930 08 33.21  16.07  24.64 
1930 09 29.61  14.33  21.97 
1930 10 18.76   5.37  12.06 
1930 11 11.45    . 6   5.75 
1930 12  4.58  -4.67    .-4 
1931 01  5.76  -4.06    .85 
1931 02  8.68  -1.99   3.35 
1931 03  7.82  -1.27   3.27 
1931 04 18.57   5.96  12.26 
1931 05 23.03   9.04  16.03 
1931 06 31.18  16.86  24.02 
1931 07 34.16  19.08  26.62 
1931 08 30.52  17.07  23.79 
1931 09 30.03  16.12  23.07 
1931 10 22.06   8.22  15.14 
1931 11 15.93   5.40  10.66 
1931 12  9.28    .29   4.78 
1932 01  8.55   -.35   4.10 
1932 02  9.39  -1.02   4.18 
1932 03  7.70  -3.06   2.32 
1932 04 18.07   5.39  11.73 
1932 05 24.16  10.44  17.29 
1932 06 30.48  16.81  23.64 
1932 07 33.49  18.71  26.10 
1932 08 31.54  16.96  24.25 
1932 09 26.35  13.26  19.80 
1932 10 19.34   6.87  13.10 
1932 11  8.72  -1.36   3.68 
1932 12  5.45  -4.12    .66 
1933 01  8.47  -1.34   3.56 
1933 02  5.46  -4.82    .31 
1933 03 10.38    .27   5.32 
1933 04 17.45   6.35  11.90 
1933 05 25.33  14.01  19.67 
1933 06 33.81  17.76  25.78 
1933 07 33.54  18.17  25.85 
1933 08 31.49  16.61  24.05 
1933 09 31.38  16.62  24.00 
1933 10 19.27   6.36  12.81 
1933 11 11.02   -.47   5.27 
1933 12  8.97  -1.49   3.74 
1934 01  6.06  -2.58   1.74 
1934 02  2.82  -8.89  -3.03 
1934 03  8.96  -2.68   3.14 
1934 04 18.87   5.28  12.07 
1934 05 27.79  11.32  19.55 
1934 06 34.56  17.82  26.19 
1934 07 35.00  19.64  27.32 
1934 08 31.25  17.93  24.59 
1934 09 26.95  13.86  20.40 
1934 10 22.25   6.63  14.44 
1934 11 14.19   1.27   7.72 
1934 12  4.07  -5.48   -.70 
1935 01  5.11  -4.19    .46 
1935 02  6.85  -2.76   2.04 
1935 03 16.25   4.39  10.32 
1935 04 17.01   4.80  10.90 
1935 05 21.53  10.29  15.91 
1935 06 26.77  14.89  20.83 
1935 07 33.78  19.75  26.76 
1935 08 32.14  18.62  25.38 
1935 09 28.16  11.69  19.92 
1935 10 20.35   7.69  14.02 
1935 11 10.06   2.07   6.06 
1935 12   .66  -7.49  -3.41 
1936 01   .56  -9.10  -4.27 
1936 02  1.69  -9.42  -3.86 
1936 03 14.81   1.46   8.13 
1936 04 16.17   3.02   9.59 
1936 05 28.75  12.15  20.45 
1936 06 32.82  15.04  23.93 
1936 07 37.50  20.51  29.00 
1936 08 35.88  20.02  27.95 
1936 09 29.70  16.41  23.05 
1936 10 19.40   8.17  13.78 
1936 11  8.33    .18   4.25 
1936 12  6.69  -2.74   1.97 
1937 01  5.59  -3.11   1.24 
1937 02  6.45  -4.48    .98 
1937 03  9.70  -1.87   3.91 
1937 04 18.86   5.73  12.29 
1937 05 27.24  11.93  19.58 
1937 06 32.93  17.12  25.03 
1937 07 34.21  17.19  25.70 
1937 08 34.23  19.02  26.62 
1937 09 27.11  11.29  19.20 
1937 10 18.19   6.38  12.28 
1937 11  9.87   -.99   4.44 
1937 12  3.27  -4.33   -.52 
1938 01  4.98  -4.79    . 9 
1938 02  9.88   1.55   5.71 
1938 03 14.55   4.37   9.46 
1938 04 19.95   7.88  13.91 
1938 05 25.04  12.03  18.53 
1938 06 29.13  16.00  22.56 
1938 07 32.72  19.01  25.86 
1938 08 33.18  19.36  26.27 
1938 09 29.17  14.87  22.02 
1938 10 23.72   5.86  14.79 
1938 11 13.69   2.02   7.85 
1938 12  5.78  -4.03    .87 
1939 01  7.08  -2.21   2.43 
1939 02  5.84  -4.15    .84 
1939 03 13.14   1.49   7.31 
1939 04 15.72   4.46  10.09 
1939 05 27.54  12.29  19.91 
1939 06 30.75  17.95  24.35 
1939 07 32.41  18.48  25.45 
1939 08 32.20  16.89  24.54 
1939 09 33.15  13.78  23.46 
1939 10 23.81   7.12  15.46 
1939 11 11.22  -1.16   5.02 
1939 12  7.21  -2.28   2.46 
1940 01 -4.35 -15.38  -9.86 
1940 02  3.90  -3.33    .28 
1940 03  9.24    .-5   4.59 
1940 04 16.43   5.35  10.89 
1940 05 21.41   9.39  15.40 
1940 06 30.18  16.74  23.46 
1940 07 32.62  17.42  25.02 
1940 08 32.96  17.48  25.22 
1940 09 27.52  10.06  18.79 
1940 10 24.29   6.27  15.28 
1940 11 12.15   -.86   5.64 
1940 12  8.34  -2.09   3.12 
1941 01  3.75  -4.89   -.56 
1941 02  2.60  -7.50  -2.45 
1941 03  7.50  -4.76   1.36 
1941 04 20.60   7.29  13.94 
1941 05 26.50  10.45  18.47 
1941 06 29.31  15.64  22.47 
1941 07 31.53  17.21  24.37 
1941 08 31.62  16.08  23.85 
1941 09 28.29  13.57  20.93 
1941 10 21.59   9.03  15.31 
1941 11 11.66    .45   6.05 
1941 12  7.67  -1.05   3.30 
1942 01  4.12  -8.72  -2.30 
1942 02  2.63  -4.63  -1.00 
1942 03 12.37   1.01   6.69 
1942 04 20.02   6.75  13.38 
1942 05 23.83  11.94  17.88 
1942 06 29.19  16.99  23.09 
1942 07 31.37  18.70  25.03 
1942 08 29.99  16.89  23.43 
1942 09 26.76  12.13  19.44 
1942 10 21.56   5.73  13.64 
1942 11 12.59   1.96   7.27 
1942 12  2.99  -6.35  -1.68 
1943 01  4.52  -5.75   -.61 
1943 02  8.47  -6.03   1.22 
1943 03  9.39  -3.74   2.82 
1943 04 17.14   4.12  10.62 
1943 05 22.91  12.30  17.60 
1943 06 31.39  18.76  25.07 
1943 07 32.03  18.81  25.41 
1943 08 32.49  17.79  25.14 
1943 09 25.33  10.35  17.84 
1943 10 20.66   5.03  12.84 
1943 11 11.08  -2.48   4.30 
1943 12  4.78  -7.59  -1.40 
1944 01  6.51  -5.68    .41 
1944 02  7.62  -3.61   2.00 
1944 03 10.14  -1.89   4.12 
1944 04 17.24   4.83  11.03 
1944 05 27.02  13.89  20.45 
1944 06 32.49  17.14  24.81 
1944 07 33.87  16.58  25.22 
1944 08 31.62  17.58  24.60 
1944 09 27.46  12.67  20.06 
1944 10 21.45   4.11  12.78 
1944 11 12.20   2.10   7.15 
1944 12  1.29  -7.51  -3.11 
1945 01  1.03  -8.39  -3.68 
1945 02  5.01  -5.68   -.33 
1945 03 16.77   5.13  10.95 
1945 04 18.86   7.01  12.93 
1945 05 21.53   9.32  15.42 
1945 06 26.55  15.71  21.13 
1945 07 30.74  16.45  23.59 
1945 08 29.82  16.34  23.08 
1945 09 27.22  14.93  21.07 
1945 10 19.52   4.81  12.16 
1945 11 12.35   1.96   7.15 
1945 12  1.72  -8.13  -3.20 
1946 01  4.50  -6.54  -1.02 
1946 02  8.01  -4.82   1.59 
1946 03 18.89   6.00  12.44 
1946 04 20.66   6.35  13.50 
1946 05 21.45  10.45  15.95 
1946 06 29.44  16.00  22.72 
1946 07 31.95  16.98  24.46 
1946 08 28.12  13.82  20.97 
1946 09 27.98  11.16  19.57 
1946 10 23.11   6.35  14.73 
1946 11 14.02   1.84   7.93 
1946 12  9.25  -2.63   3.31 
1947 01  5.97  -3.05   1.45 
1947 02   .64  -9.29  -4.32 
1947 03  7.02  -3.91   1.55 
1947 04 17.94   5.90  11.92 
1947 05 22.28   8.96  15.62 
1947 06 26.80  15.15  20.97 
1947 07 29.09  15.74  22.41 
1947 08 34.21  21.55  27.88 
1947 09 27.59  13.99  20.79 
1947 10 25.59   9.62  17.60 
1947 11  9.00   -.16   4.42 
1947 12  5.84  -5.16    .34 
1948 01  -.23 -10.76  -5.49 
1948 02  6.07  -6.09    . 0 
1948 03 12.25    .78   6.51 
1948 04 20.36   7.32  13.84 
1948 05 23.80   9.33  16.56 
1948 06 30.25  15.15  22.70 
1948 07 31.22  17.49  24.35 
1948 08 31.29  15.80  23.54 
1948 09 27.41  13.05  20.23 
1948 10 18.76   4.91  11.83 
1948 11 13.84   2.96   8.39 
1948 12  7.58  -2.38   2.60 
1949 01  6.53  -1.99   2.27 
1949 02  8.06  -2.46   2.80 
1949 03 11.48    .63   6.05 
1949 04 17.71   5.59  11.65 
1949 05 25.87  11.25  18.56 
1949 06 30.07  17.27  23.67 
1949 07 32.48  20.37  26.43 
1949 08 30.96  16.31  23.63 
1949 09 24.27   9.02  16.64 
1949 10 22.42   9.63  16.02 
1949 11 12.67   1.50   7.08 
1949 12  8.43  -2.67   2.88 
1950 01  9.57   -.76   4.40 
1950 02  5.81  -3.22   1.29 
1950 03  8.99   -.71   4.14 
1950 04 14.41   3.54   8.97 
1950 05 25.19  12.19  18.69 
1950 06 28.31  15.58  21.94 
1950 07 29.95  16.94  23.44 
1950 08 29.14  15.64  22.39 
1950 09 24.57  13.46  19.01 
1950 10 23.35   8.87  16.11 
1950 11  8.28  -1.85   3.21 
1950 12  1.97  -8.47  -3.25 
1951 01  4.80  -5.35   -.27 
1951 04 15.98   4.67  10.32 
1951 05 26.52  10.94  18.73 
1951 06 28.53  16.18  22.35 
1951 07 30.95  18.11  24.53 
1951 08 31.08  16.66  23.87 
1951 09 25.89  11.57  18.73 
1951 10 22.84   6.98  14.91 
1951 11  6.96  -2.57   2.19 
1951 12  5.52  -5.12    .20 
1952 01  7.28  -3.24   2.02 
1952 02  8.76  -1.75   3.50 
1952 03 11.04    .21   5.62 
1952 04 18.19   5.22  11.70 
1952 05 24.11  10.93  17.52 
1952 06 33.16  18.61  25.89 
1952 07 33.00  18.58  25.79 
1952 08 31.13  16.12  23.62 
1952 09 28.42  11.20  19.81 
1952 10 19.69   1.92  10.80 
1952 11 13.48    .61   7.04 
1952 12  6.29  -1.87   2.21 
1953 01  5.76  -2.51   1.62 
1953 02  9.64  -3.14   3.25 
1953 03 12.47    .89   6.68 
1953 04 16.01   4.15  10.08 
1953 05 25.42  12.42  18.92 
1953 06 33.09  18.42  25.75 
1953 07 32.61  17.92  25.26 
1953 08 32.95  15.98  24.46 
1953 09 30.43  11.73  21.08 
1953 10 24.51   5.75  15.13 
1953 11 14.22  -1.11   6.55 
1953 12  6.52  -4.82    .84 
1954 03 10.62  -2.53   4.04 
1954 04 20.82   6.81  13.81 
1954 05 21.15   7.25  14.20 
1954 06 30.98  16.29  23.63 
1954 07 33.93  17.93  25.93 
1954 08 30.56  18.08  24.32 
1954 09 29.00  12.83  20.91 
1954 10 20.70   6.70  13.70 
1954 11 12.35    . 2   6.18 
1954 12  4.71  -3.57    .57 
1955 01  3.54  -6.79  -1.62 
1955 02  5.93  -5.29    .31 
1955 03 11.30  -1.35   4.97 
1955 04 21.40   8.30  14.85 
1955 05 24.63  11.36  17.99 
1955 06 25.87  12.87  19.37 
1955 07 32.70  20.55  26.62 
1955 08 32.59  16.90  24.75 
1955 09 29.96  12.38  21.17 
1955 10 19.83   5.43  12.63 
1955 11 10.41  -1.97   4.21 
1955 12  4.32  -7.26  -1.47 
1956 01  2.33  -8.01  -2.83 
1956 02  5.92  -3.15   1.38 
1956 03 11.11  -1.05   5.02 
1956 04 16.34   3.44   9.89 
1956 05 23.37  10.91  17.14 
1956 06 28.86  16.07  22.46 
1956 07 29.88  17.44  23.66 
1956 08 30.35  16.00  23.17 
1956 09 26.84   9.68  18.26 
1956 10 24.57   7.08  15.82 
1956 11 12.52  -1.82   5.35 
1956 12  8.55   -.66   3.94 
1957 01  1.33  -8.43  -3.55 
1957 02  8.18  -1.14   3.52 
1957 03 11.32   -.95   5.18 
1957 04 18.62   7.12  12.87 
1957 05 24.45  10.42  17.43 
1957 07 30.81  17.58  24.19 
1957 08 31.32  15.65  23.48 
1957 09 26.79  11.44  19.11 
1957 10 18.56   4.19  11.37 
1957 11 11.91   -.18   5.86 
1957 12  7.85  -2.48   2.68 
1958 01  3.14  -5.86  -1.36 
1958 02  1.32 -10.38  -4.53 
1958 03  6.26  -2.24   2.01 
1958 04 17.29   5.21  11.25 
1958 05 22.79   8.68  15.74 
1958 06 26.05  13.58  19.81 
1958 07 29.09  17.67  23.38 
1958 08 29.93  15.89  22.91 
1958 09 25.76  12.38  19.07 
1958 10 20.31   4.40  12.35 
1958 11 13.63    .73   7.18 
1958 12   .86  -9.91  -4.52 
1959 01  2.72  -9.51  -3.39 
1959 02  5.28  -4.80    .24 
1959 03  9.67  -1.49   4.09 
1959 04 18.12   5.99  12.06 
1959 05 25.01  12.83  18.92 
1959 06 28.36  15.18  21.77 
1959 07 30.41  16.61  23.51 
1959 08 30.47  18.71  24.59 
1959 09 27.19  13.30  20.24 
1959 10 19.45   6.48  12.96 
1959 11  8.71  -2.65   3.03 
1959 12  6.80  -1.54   2.63 
1960 01  3.95  -3.44    .25 
1960 02  2.78  -5.51  -1.36 
1960 03  2.70  -8.92  -3.11 
1960 04 20.20   6.98  13.59 
1960 05 21.41   9.01  15.21 
1960 06 27.63  14.62  21.12 
1960 07 29.86  16.37  23.12 
1960 08 31.27  17.31  24.29 
1960 09 30.13  14.00  22.06 
1960 10 21.34   5.47  13.40 
1960 11 13.56    . 4   6.80 
1960 12  3.27  -8.39  -2.56 
1961 01  2.49  -9.32  -3.41 
1961 02  8.85  -4.48   2.18 
1961 03 12.94   1.89   7.41 
1961 04 14.34   2.99   8.66 
1961 05 21.03   7.35  14.19 
1961 06 27.64  13.80  20.72 
1961 07 30.52  17.09  23.80 
1961 08 29.47  16.02  22.74 
1961 09 28.89  13.44  21.16 
1961 10 21.36   5.97  13.66 
1961 11 11.65   -.10   5.77 
1961 12  4.61  -4.92   -.15 
1962 01  2.15  -8.12  -2.98 
1962 02  6.07  -4.76    .65 
1962 03  8.33  -1.40   3.46 
1962 04 17.01   3.36  10.18 
1962 05 28.09  13.99  21.04 
1962 06 28.93  15.75  22.34 
1962 07 29.59  16.39  22.99 
1962 08 29.97  15.03  22.50 
1962 09 24.52   9.91  17.21 
1962 10 21.48   6.73  14.10 
1962 11 11.94   -.26   5.83 
1962 12  3.94  -8.71  -2.38 
1963 01   .-3 -12.43  -6.23 
1963 02  1.96 -11.81  -4.92 
1963 03 13.11    .23   6.66 
1963 04 20.07   5.76  12.91 
1963 05 23.14   8.68  15.91 
1963 06 29.39  14.47  21.93 
1963 07 29.65  16.06  22.85 
1963 08 29.31  13.89  21.60 
1963 09 27.90   9.67  18.78 
1963 10 27.16   6.07  16.61 
1963 11 14.12   -.25   6.93 
1963 12 -1.42 -13.18  -7.30 
1964 01  5.97  -7.27   -.65 
1964 02  5.38  -6.92   -.77 
1964 03 11.52  -1.56   4.98 
1964 04 19.59   7.25  13.42 
1964 05 25.34  12.41  18.87 
1964 06 28.78  16.49  22.63 
1964 07 30.14  17.71  23.93 
1964 08 29.72  15.04  22.38 
1964 09 26.74  11.47  19.10 
1964 10 19.54   1.49  10.52 
1964 11 15.78    .34   8.05 
1964 12  4.92  -4.73    . 9 
1965 01  4.31  -7.70  -1.69 
1965 02  4.12  -7.20  -1.54 
1965 03  5.95  -3.88   1.03 
1965 04 17.71   5.92  11.82 
1965 05 26.54  13.82  20.18 
1965 06 27.62  15.80  21.71 
1965 07 29.04  16.99  23.01 
1965 08 29.06  15.07  22.06 
1965 09 25.33  13.54  19.43 
1965 10 19.28   4.51  11.89 
1965 11 13.92    .92   7.42 
1965 12  8.12  -1.28   3.42 
1966 01   .70  -9.18  -4.24 
1966 02  4.61  -5.94   -.66 
1966 03 12.26   -.23   6.01 
1966 04 15.65   4.36  10.00 
1966 05 21.55   8.04  14.79 
1966 06 28.71  14.42  21.56 
1966 07 31.90  18.98  25.43 
1966 08 28.56  15.24  21.90 
1966 09 24.24  11.57  17.90 
1966 10 17.41   3.22  10.31 
1966 11 12.30   1.73   7.01 
1966 12  5.05  -3.25    .90 
1967 01  4.90  -4.65    .12 
1967 02  3.67  -8.20  -2.26 
1967 03 12.21   1.15   6.68 
1967 04 19.58   6.80  13.19 
1967 05 21.54   9.27  15.40 
1967 06 27.72  16.78  22.25 
1967 07 28.45  16.45  22.45 
1967 08 27.80  14.74  21.27 
1967 09 24.00  10.99  17.49 
1967 10 18.93   6.32  12.62 
1967 11  8.63   -.60   4.01 
1967 12  6.48  -2.58   1.95 
1968 01  1.03  -7.97  -3.46 
1968 02  2.59  -8.12  -2.76 
1968 03 11.51   -.58   5.46 
1968 04 19.08   6.44  12.76 
1968 05 21.33  10.17  15.75 
1968 06 29.24  16.50  22.87 
1968 07 30.45  18.79  24.62 
1968 09 26.37  12.43  19.40 
1968 10 20.24   5.57  12.90 
1968 11 11.19   2.04   6.61 
1968 12  4.38  -4.28    . 4 
1969 01  1.56  -7.33  -2.88 
1969 03  8.92  -3.82   2.55 
1969 04 18.77   6.02  12.39 
1969 05 24.39  11.22  17.80 
1969 06 28.20  15.85  22.02 
1969 07 30.67  19.39  25.03 
1969 08 29.25  16.01  22.63 
1969 09 25.65  11.79  18.71 
1969 10 19.50   6.25  12.87 
1969 11  9.77   -.52   4.62 
1969 12  3.19  -5.32  -1.06 
1970 01 -1.20 -11.27  -6.23 
1970 02  3.99  -7.03  -1.52 
1970 03  8.77   -.78   3.99 
1970 04 19.40   6.80  13.10 
1970 05 25.76  12.23  18.99 
1970 06 26.88  15.95  21.41 
1970 07 29.71  17.03  23.37 
1970 08 29.30  17.09  23.19 
1970 09 28.57  15.55  22.06 
1970 10 19.90   7.36  13.63 
1970 11 10.31   1.01   5.66 
1970 12  7.90  -3.62   2.14 
1971 01  1.37  -8.46  -3.54 
1971 02  3.97  -6.14  -1.08 
1971 03  9.20  -2.36   3.41 
1971 04 19.02   4.80  11.91 
1971 05 21.40   8.84  15.12 
1971 06 30.04  18.18  24.11 
1971 07 28.77  17.24  23.00 
1971 08 28.62  15.81  22.21 
1971 09 26.73  15.31  21.02 
1971 10 23.76  10.07  16.91 
1971 11 12.95   1.53   7.24 
1971 12  9.97    .44   5.20 
1972 01  3.44  -7.14  -1.84 
1972 02  4.00  -6.28  -1.14 
1972 03 11.31   -.56   5.37 
1972 04 17.37   6.10  11.74 
1972 05 25.20  12.06  18.63 
1972 06 26.98  13.87  20.42 
1972 07 29.96  18.29  24.13 
1972 09 26.10  15.49  20.79 
1972 10 16.59   5.98  11.28 
1972 11  8.22   1.75   4.98 
1972 12  4.52  -3.88    .31 
1973 01  4.29  -4.57   -.14 
1973 02  5.15  -4.19    .47 
1973 03 15.43   4.76  10.09 
1973 04 16.20   6.26  11.23 
1973 05 22.05   9.20  15.62 
1973 06 30.27  16.95  23.61 
1973 07 31.54  18.78  25.16 
1973 08 30.45  17.87  24.16 
1973 09 28.34  15.27  21.80 
1973 10 23.78   9.17  16.47 
1973 11 13.86   3.02   8.43 
1973 12  5.34  -4.21    .56 
1974 01  4.92  -4.08    .42 
1974 02  7.29  -5.06   1.11 
1974 03 13.96   1.61   7.78 
1974 04 19.12   6.51  12.81 
1974 06 26.31  14.39  20.35 
1974 09 23.12  11.31  17.21 
1974 10 19.78   5.46  12.62 
1974 11 12.02   2.25   7.13 
1975 12  5.97  -2.95   1.50 
1976 01  2.10  -8.88  -3.38 
