1927 04   7.76  -4.00   1.88 
1927 05  14.47   1.20   7.83 
1927 06  21.48   7.38  14.43 
1927 07  25.45  12.58  19.01 
1927 08  24.39   9.01  16.70 
1927 09  18.49   4.21  11.35 
1927 10  11.29   0.60   5.94 
1927 11  -8.93 -18.02 -13.48 
1927 12 -18.27 -26.81 -22.54 
1928 01  -7.68 -17.78 -12.73 
1928 02  -5.30 -17.65 -11.47 
1928 03   0.85 -13.63  -6.39 
1928 04   5.53  -7.36   -.91 
1928 05  20.53   4.60  12.56 
1928 06  21.15   7.72  14.43 
1928 07  25.41  11.02  18.21 
1928 08  21.58   7.46  14.52 
1928 09  18.21   1.80  10.00 
1928 10   8.18  -2.56   2.81 
1928 11   1.98  -7.81  -2.91 
1928 12  -5.38 -15.34 -10.36 
1929 01 -20.35 -31.20 -25.77 
1929 02 -11.44 -23.11 -17.27 
1929 03   0.24 -14.43  -7.09 
1929 04   7.09  -5.20   0.94 
1929 05  16.12   0.07   8.09 
1929 06  23.26   7.69  15.47 
1929 07  25.65  10.59  18.11 
1929 08  26.47   7.96  17.21 
1929 09  14.43   3.09   8.76 
1929 10  13.20   0.33   6.76 
1929 11  -1.93 -10.55  -6.24 
1929 12 -11.22 -22.44 -16.83 
1930 01 -18.39 -29.25 -23.82 
1930 02  -7.14 -20.90 -14.02 
1930 03   -.34 -16.16  -8.25 
1930 04  10.45  -2.22   4.11 
1930 05  15.66   1.71   8.68 
1930 06  22.37   9.17  15.77 
1930 07  26.15  11.38  18.76 
1930 08  25.56   9.85  17.70 
1930 09  15.38   4.53   9.95 
1930 10   4.92  -3.65   0.63 
1930 11  -0.09 -10.69  -5.39 
1930 12  -3.14 -13.86  -8.50 
1931 01  -6.58 -17.28 -11.93 
1931 02   -.28 -13.65  -6.96 
1931 03  -3.48 -15.54  -9.51 
1931 04  11.36  -3.67   3.84 
1931 05  17.53   1.00   9.26 
1931 06  23.07   7.98  15.52 
1931 07  24.43  12.54  18.48 
1931 08  24.27  10.32  17.29 
1931 09  16.75   5.95  11.35 
1931 10  12.63   -.13   6.25 
1931 11  -1.52 -12.76  -7.14 
1931 12  -4.61 -16.01 -10.31 
1932 01 -12.41 -24.46 -18.43 
1932 02 -11.81 -23.38 -17.59 
1932 03  -7.55 -22.18 -14.86 
1932 04   8.24  -4.00   2.11 
1932 05  20.93   2.78  11.85 
1932 06  23.51  10.07  16.79 
1932 07  24.63  11.94  18.28 
1932 08  24.55  10.77  17.66 
1932 09  18.12   3.89  11.00 
1932 10   4.44  -4.86   -.21 
1932 11  -6.06 -16.50 -11.28 
1932 12 -12.99 -24.29 -18.64 
1933 01 -18.32 -26.90 -22.61 
1933 02 -16.65 -26.75 -21.70 
1933 03  -4.56 -17.70 -11.13 
1933 04   7.18  -3.77   1.70 
1933 05  17.95   4.61  11.28 
1933 06  23.28   9.72  16.50 
1933 07  24.46  10.49  17.47 
1933 08  26.09   9.58  17.83 
1933 09  17.19   5.33  11.26 
1933 10   7.60  -4.23   1.68 
1933 11  -3.65 -15.50  -9.57 
1933 12 -20.93 -30.50 -25.71 
1934 01  -6.78 -21.26 -14.02 
1934 02  -5.77 -17.90 -11.83 
1934 03  -4.35 -19.12 -11.74 
1934 04   9.60  -4.63   2.48 
1934 05  19.75   4.66  12.20 
1934 06  20.20   7.59  13.90 
1934 07  23.47   9.91  16.68 
1934 08  22.70   6.69  14.69 
1934 09  13.58   0.51   7.04 
1934 10  12.06  -1.65   5.20 
1934 11  -1.55  -8.97  -5.26 
1934 12 -11.61 -20.17 -15.89 
1935 01 -20.27 -29.50 -24.88 
1935 02  -2.50 -15.35  -8.92 
1935 03  -5.57 -18.16 -11.86 
1935 04   6.67  -6.81  -0.06 
1935 05  17.04   2.99  10.01 
1935 06  20.49   7.43  13.96 
1935 07  28.51  13.95  21.23 
1935 08  21.72   8.35  15.03 
1935 09  16.71   3.96  10.34 
1935 10   7.81  -2.97   2.42 
1935 11  -8.74 -19.49 -14.11 
1935 12  -8.77 -21.38 -15.07 
1936 01 -20.37 -30.25 -25.31 
1936 02 -20.58 -33.09 -26.83 
1936 03  -2.13 -13.57  -7.85 
1936 04   5.57  -7.08   -.75 
1936 05  20.37   4.33  12.35 
1936 06  20.70   8.37  14.53 
1936 07  28.18  14.02  21.10 
1936 08  25.10   9.34  17.22 
1936 09  14.76   3.18   8.97 
1936 10   6.50  -3.80   1.35 
1936 11   0.96  -8.79  -3.91 
1936 12 -10.55 -23.62 -17.08 
1937 01 -22.89 -34.22 -28.55 
1937 02 -11.87 -23.74 -17.80 
1937 03  -2.16 -16.36  -9.26 
1937 04   9.01  -2.67   3.17 
1937 05  20.83   4.31  12.57 
1937 06  24.71   9.60  17.16 
1937 07  28.71  12.90  20.80 
1937 08  25.59  10.03  17.81 
1937 09  18.01   3.98  10.99 
1937 10   8.76  -1.23   3.76 
1937 11  -5.12 -13.34  -9.22 
1937 12 -12.60 -22.86 -17.73 
1938 01 -13.14 -23.45 -18.29 
1938 02 -12.35 -23.20 -17.77 
1938 03   1.33  -9.52  -4.09 
1938 04   8.13  -4.13   2.00 
1938 05  16.33   3.04   9.68 
1938 06  24.00   8.82  16.41 
1938 07  26.12  13.23  19.67 
1938 08  23.53   9.37  16.45 
1938 09  22.77   7.17  14.97 
1938 10  14.43   0.95   7.69 
1938 11  -4.52 -12.52  -8.52 
1938 12  -8.83 -17.83 -13.33 
1939 01 -10.91 -20.07 -15.49 
1939 02 -17.18 -29.13 -23.15 
1939 03  -3.73 -18.25 -10.99 
1939 04   9.80  -4.08   2.86 
1939 05  18.45   4.19  11.32 
1939 06  18.12   6.38  12.25 
1939 07  26.95  12.44  19.69 
1939 08  24.92   9.87  17.39 
1939 09  16.79   4.11  10.45 
1939 10   5.70  -4.27   0.71 
1939 11   1.75  -7.26  -2.75 
1939 12  -4.12 -11.63  -7.87 
1940 01 -12.94 -23.23 -18.08 
1940 02  -6.79 -17.07 -11.93 
1940 03  -1.99 -14.36  -8.17 
1940 04   8.71  -4.39   2.16 
1940 05  21.37   4.17  12.77 
1940 06  21.04   6.96  14.00 
1940 07  25.56  11.49  18.52 
1940 08  25.62   9.22  17.42 
1940 09  23.17   6.63  14.90 
1940 10  11.72   0.16   5.94 
1940 11  -6.45 -13.39  -9.92 
1940 12  -8.95 -18.58 -13.76 
1941 01 -13.52 -24.13 -18.82 
1941 02  -8.64 -22.22 -15.43 
1941 03   -.93 -14.37  -7.65 
1941 04  10.35  -2.82   3.76 
1941 05  18.62   4.80  11.71 
1941 06  24.36   9.82  17.09 
1941 07  28.99  12.12  20.55 
1941 08  24.78   9.77  17.27 
1941 09  15.52   3.02   9.27 
1941 10  10.38  -2.53   3.92 
1941 11  -1.82  -9.45  -5.63 
1941 12  -8.45 -17.86 -13.15 
1942 01  -6.38 -16.32 -11.35 
1942 02  -9.06 -19.87 -14.46 
1942 03   2.24 -12.94  -5.35 
1942 04   8.29  -3.83   2.23 
1942 05  18.89   1.94  10.41 
1942 06  21.06   8.45  14.75 
1942 07  25.03  11.02  18.02 
1942 08  23.71  10.25  16.98 
1942 09  16.37   2.95   9.66 
1942 10  12.53   -.85   5.83 
1942 11  -6.45 -15.80 -11.12 
1942 12 -15.86 -26.24 -21.05 
1943 01 -17.62 -29.31 -23.47 
1943 02  -6.56 -18.08 -12.32 
1943 03  -6.12 -20.52 -13.32 
1943 04  11.29  -2.23   4.52 
1943 05  15.55   0.48   8.01 
1943 06  20.65   7.04  13.84 
1943 07  27.54  12.35  19.94 
1943 08  24.66  10.22  17.44 
1943 09  19.15   3.91  11.53 
1943 10  12.22   0.72   6.47 
1943 11   2.19  -5.93  -1.86 
1943 12  -4.90 -16.65 -10.77 
1944 01  -5.16 -17.52 -11.34 
1944 02 -10.12 -21.50 -15.81 
1944 03  -5.95 -19.93 -12.94 
1944 04  12.09  -2.85   4.62 
1944 05  19.71   5.56  12.64 
1944 06  22.42   7.67  15.04 
1944 07  24.17  10.95  17.56 
1944 08  23.09   9.14  16.11 
1944 09  18.87   5.10  11.98 
1944 10  13.08  -0.09   6.49 
1944 11  -2.42  -9.13  -5.77 
1944 12  -7.85 -18.59 -13.22 
1945 01 -13.23 -22.99 -18.11 
1945 02  -9.56 -21.43 -15.49 
1945 03   2.08  -9.67  -3.79 
1945 04   2.74  -6.98  -2.11 
1945 05  14.35   0.11   7.23 
1945 06  19.16   7.08  13.12 
1945 07  25.07  11.74  18.40 
1945 08  23.89  10.02  16.95 
1945 09  14.66   3.51   9.08 
1945 10  10.53  -1.34   4.59 
1945 11  -8.01 -15.71 -11.86 
1945 12 -13.53 -23.68 -18.60 
1946 01 -13.18 -23.45 -18.31 
1946 02 -11.47 -25.41 -18.44 
1946 03   2.02  -8.43  -3.20 
1946 04  13.30   -.22   6.54 
1946 05  14.87   2.65   8.76 
1946 06  21.82   8.39  15.10 
1946 07  25.88  10.91  18.39 
1946 08  23.41   9.53  16.46 
1946 09  18.58   4.31  11.44 
1946 10   5.89  -2.91   1.48 
1946 11  -4.50 -14.09  -9.29 
1946 12 -14.15 -23.31 -18.73 
1947 01 -11.50 -22.35 -16.92 
1947 02 -13.56 -26.51 -20.03 
1947 03  -2.25 -15.35  -8.80 
1947 04   6.48  -4.98   0.74 
1947 05  15.44   1.11   8.27 
1947 06  23.27   8.97  16.12 
1947 07  28.92  13.45  21.18 
1947 08  23.59   9.32  16.45 
1947 09  16.12   3.44   9.78 
1947 10  13.43   1.04   7.23 
1947 11  -5.41 -12.66  -9.03 
1947 12 -11.69 -21.99 -16.84 
1948 01 -10.52 -23.33 -16.92 
1948 03  -6.51 -21.19 -13.85 
1948 04   2.70 -10.71  -4.00 
1948 05  20.03   3.80  11.91 
1948 06  24.48   8.80  16.64 
1948 07  26.50  11.86  19.18 
1948 08  24.93  10.09  17.51 
1948 09  21.63   7.33  14.48 
1948 10  13.39  -3.25   5.07 
1948 11   -.85  -9.99  -5.42 
1948 12 -11.48 -24.07 -17.77 
1949 01 -12.22 -28.75 -20.48 
1949 02 -16.43 -29.07 -22.75 
1949 03  -3.93 -17.78 -10.85 
1949 04  16.45  -1.47   7.49 
1949 05  21.07   0.02  10.54 
1949 06  24.76   3.90  14.33 
1949 07  24.52   7.89  16.20 
1949 08  26.27 -99.99 -99.99 
1949 09  17.73 -99.99 -99.99 
1949 10   8.42 -99.99 -99.99 
1949 11   2.86 -99.99 -99.99 
1950 01 -26.24 -42.24 -34.24 
1950 02 -13.28 -26.82 -20.04 
1950 03  -3.27 -17.25 -10.26 
1950 04   5.14  -6.39   -.62 
1950 05  17.17   1.80   9.48 
1950 06  22.50   6.96  14.73 
1950 07  23.81  11.19  17.50 
1950 08  21.17   9.41  15.29 
1950 09  19.54   5.15  12.34 
1950 10   6.82   -.28   3.27 
1950 11  -6.18 -14.15 -10.16 
1950 12 -12.29 -24.05 -18.17 
1951 01 -16.83 -27.17 -22.00 
1951 02 -11.55 -23.57 -17.56 
1951 03  -7.56 -19.87 -13.71 
1951 04   7.66  -3.96   1.84 
1951 05  20.53   4.69  12.61 
1951 06  21.58   6.80  14.19 
1951 07  25.17  10.77  17.97 
1951 08  21.26   8.74  15.00 
1951 09  14.79   4.54   9.66 
1951 10   5.95  -4.39   0.78 
1951 11  -4.76 -99.99 -99.99 
1951 12 -14.67 -25.55 -20.11 
1952 02  -6.46 -19.25 -12.85 
1952 03  -3.31 -14.86  -9.08 
1952 04  17.23   0.81   9.01 
1952 05  19.96   4.84  12.40 
1952 06  22.10   9.43  15.76 
1952 07  23.62  10.59  17.10 
1952 08  23.40   9.46  16.43 
1952 09  18.83   5.88  12.35 
1952 10  10.77  -2.55   4.11 
1952 11   1.88  -7.10  -2.61 
1952 12  -7.87 -16.15 -12.01 
1953 01 -17.00 -25.65 -21.32 
1953 02  -5.60 -17.07 -11.33 
1953 03  -1.55 -14.71  -8.13 
1953 04   7.25  -5.15   1.04 
1953 05  18.00   2.17  10.08 
1953 06  22.02   7.72  14.87 
1953 07  24.41  11.56  17.98 
1953 08  24.93  13.51  19.22 
1953 09  16.58   6.19  11.38 
1953 10  13.85   0.07   6.96 
1953 11   1.54  -6.11  -2.28 
1953 12  -8.10 -17.28 -12.69 
1954 01 -22.73 -31.97 -27.34 
1954 02  -3.34 -13.69  -8.51 
1954 03  -3.78 -18.87 -11.32 
1954 04   0.86  -9.78  -4.46 
1954 05  14.24   1.86   8.05 
1954 06  20.16   8.70  14.43 
1954 07  24.43  13.37  18.90 
1954 08  20.92  11.59  16.25 
1954 09  16.08   5.66  10.87 
1954 10  10.97  -2.19   4.39 
1954 11   2.76  -4.63   -.93 
1954 12  -1.61 -13.53  -7.57 
1955 01 -13.64 -21.00 -17.32 
1955 02 -13.76 -26.03 -19.89 
1955 03  -8.16 -99.99 -99.99 
1955 04  11.08   1.03   6.05 
1955 06  24.27   9.28  16.77 
1955 07  26.09  12.89  19.49 
1955 08  25.65 -99.99 -99.99 
1955 09  16.26   4.44  10.35 
1955 10  11.59  -1.48   5.05 
1955 11 -10.10 -18.24 -14.17 
1955 12 -16.91 -26.80 -21.85 
1956 01 -16.50 -26.16 -21.33 
1956 02 -11.93 -24.32 -18.12 
1956 03  -5.30 -18.52 -11.91 
1956 04   4.67  -8.22  -1.77 
1956 05  17.18   3.35  10.26 
1956 06  23.92  10.63  17.27 
1956 07  24.53  10.92  17.72 
1956 08  23.25  10.08  16.66 
1956 09  15.07   3.82   9.44 
1956 10  10.16  -1.34   4.41 
1956 11   -.20  -8.78  -4.48 
1956 12  -9.45 -19.37 -14.41 
1957 01 -16.65 -28.04 -22.34 
1957 02 -10.21 -24.82 -17.51 
1957 03  -2.82 -19.04 -10.93 
1957 04   6.58  -6.49   0.04 
1957 05  16.53   4.11  10.32 
1957 06  22.99   7.02  15.00 
1957 07  26.09  12.58  19.33 
1957 08  22.74   9.87  16.30 
1957 09  17.35   4.69  11.02 
1957 10  11.88  -1.67   5.10 
1957 11  -1.71  -9.93  -5.82 
1957 12 -10.36 -21.45 -15.90 
1958 01  -7.35 -17.34 -12.34 
1958 02 -11.79 -23.85 -17.82 
1958 03   -.55 -12.91  -6.73 
1958 04  10.09  -3.03   3.53 
1958 05  20.79   3.87  12.33 
1958 06  20.83   5.61  13.22 
1958 07  24.99  11.27  18.13 
1958 08  24.41  10.06  17.23 
1958 09  16.00   5.72  10.86 
1958 10  10.57  -1.09   4.73 
1958 11  -2.60 -14.06  -8.33 
1958 12 -10.69 -21.03 -15.86 
1959 01 -19.04 -29.10 -24.07 
1959 02  -9.14 -22.49 -15.82 
1959 03   2.26 -10.30  -4.02 
1959 04   9.96  -2.48   3.74 
1959 05  17.28   1.47   9.37 
1959 06  22.69   8.05  15.37 
1959 07  27.60  11.73  19.66 
1959 08  22.54   8.35  15.44 
1959 09  16.99   3.72  10.35 
1959 10   4.36  -3.91   0.22 
1959 11  -4.53 -13.50  -9.01 
1959 12  -1.71 -12.26  -6.98 
1960 01 -15.52 -24.96 -20.24 
1960 02 -11.64 -22.40 -17.02 
1960 03  -3.65 -99.99 -99.99 
1960 04   7.16  -2.64   2.25 
1960 05  17.25   3.13  10.19 
1960 06  22.02   7.92  14.97 
1960 07  27.77  12.00  19.88 
1960 08  25.29 -99.99 -99.99 
1960 09  20.07   4.46  12.26 
1960 10  11.22  -1.91   4.65 
1960 12 -99.99 -19.44 -99.99 
1961 01 -11.56 -23.19 -17.37 
1961 02  -7.06 -19.11 -13.08 
1961 03   1.26 -99.99 -99.99 
1961 04   7.01 -99.99 -99.99 
1961 06  27.71  11.71  19.70 
1961 07  26.35  11.81  19.08 
1961 08  29.54  12.15  20.84 
1961 09  14.31   0.26   7.28 
1961 10   9.56  -1.47   4.04 
1961 11 -99.99 -10.05 -99.99 
1961 12 -18.26 -27.91 -23.08 
1962 01 -15.06 -26.59 -20.82 
1962 02 -15.35 -28.59 -21.97 
1962 03  -4.05 -16.65 -10.35 
1962 04   7.09 -99.99 -99.99 
1962 05  19.64   3.46  11.54 
1962 06  26.23  10.24  18.23 
1962 07  24.42   9.75  17.08 
1962 08  24.30 -99.99 -99.99 
1962 09  18.77   4.10  11.43 
1962 10 -99.99   -.50 -99.99 
1962 11 -99.99  -7.64 -99.99 
1962 12  -8.33 -18.99 -13.66 
1963 01 -17.71 -29.06 -23.39 
1963 04  10.91 -99.99 -99.99 
1963 05  17.93   1.61   9.77 
1963 07  26.47  13.46  19.96 
1963 08  26.00  11.78  18.89 
1963 09  20.34   6.22  13.28 
1963 10 -99.99   2.11 -99.99 
1963 11   -.38 -10.69  -5.53 
1963 12 -10.69 -21.32 -16.00 
1964 01  -9.58 -20.81 -15.19 
1964 02  -2.90 -14.68  -8.79 
1964 03  -7.65 -22.54 -15.09 
1964 04  10.71  -2.22   4.24 
1964 05  20.02   4.02  12.02 
1964 06  23.86   6.78  15.32 
1964 07  26.39  12.99  19.68 
1964 08  20.94   8.63  14.78 
1964 09  15.02   3.34   9.18 
1964 10  12.59   -.70   5.94 
1964 11  -3.95 -11.76  -7.85 
1964 12 -15.53 -26.04 -20.78 
1965 01 -16.83 -27.63 -22.23 
1965 02 -15.05 -27.85 -21.45 
1965 03  -6.33 -21.65 -13.99 
1965 04   9.18  -3.33   2.92 
1965 05  16.29   2.14   9.21 
1965 06  22.14   9.41  15.77 
1965 07  25.37  11.91  18.64 
1965 08  23.71  11.00  17.35 
1965 09  12.06   0.63   6.34 
1965 10  13.29   0.11   6.70 
1965 11  -5.52 -13.65  -9.58 
1965 12  -7.84 -16.09 -11.96 
1966 01 -23.16 -33.21 -28.18 
1966 02 -12.07 -26.52 -19.29 
1966 03  -1.00 -13.43  -7.21 
1966 04   3.98  -4.90   -.46 
1966 05  16.53   2.32   9.42 
1966 06  20.94   9.38  15.16 
1966 07  24.89  11.92  18.40 
1966 08  23.75  10.43  17.09 
1966 09  19.54   6.54  13.04 
1966 10   9.79  -1.19   4.30 
1966 11  -7.31 -16.96 -12.14 
1966 12 -10.98 -20.00 -15.49 
1967 01 -14.62 -25.97 -20.29 
1967 02 -12.39 -26.50 -19.44 
1967 03  -5.52 -17.68 -11.60 
1967 04   3.11  -7.71  -2.30 
1967 05  16.21   2.19   9.20 
1967 06  21.51   6.37  13.94 
1967 07  25.52  11.21  18.36 
1967 08  25.57  10.81  18.19 
1967 09  21.74   7.62  14.68 
1967 10   7.17  -1.33   2.92 
1967 11   -.92  -8.43  -4.67 
1967 12  -9.96 -18.54 -14.25 
1968 01 -14.42 -25.38 -19.90 
1968 02  -9.60 -20.63 -15.11 
1968 03   2.55  -8.83  -3.14 
1968 04   9.77  -2.65   3.56 
1968 05  17.62   3.36  10.49 
1968 06  21.72   8.75  15.23 
1968 07  24.08  10.22  17.15 
1968 08  20.74   8.76  14.75 
1968 09  18.10   6.34  12.22 
1968 10   8.85   -.46   4.19 
1968 11  -0.09  -9.12  -4.60 
1968 12 -13.82 -22.36 -18.09 
1969 01 -22.66 -31.74 -27.20 
1969 02  -9.82 -21.11 -15.46 
1969 03  -3.34 -16.51  -9.92 
1969 04  12.10  -1.09   5.50 
1969 05  16.78   2.53   9.65 
1969 06  20.23   5.44  12.83 
1969 07  24.68  10.28  17.48 
1969 08  25.79  11.99  18.89 
1969 09  15.50   4.85  10.17 
1969 10   3.26  -3.88   -.31 
1969 11   0.26  -9.62  -4.67 
1969 12  -7.13 -15.36 -11.24 
1970 01 -15.27 -24.73 -20.00 
1970 02  -7.19 -20.75 -13.97 
1970 03  -5.35 -19.17 -12.26 
1970 04   5.80  -3.31   1.24 
1970 05  16.27   2.15   9.21 
1970 06  24.28  11.35  17.81 
1970 07  25.59  13.73  19.66 
1970 08  24.85  12.12  18.48 
1970 09  17.26   5.03  11.14 
1970 10   8.45   -.60   3.92 
1970 11  -4.63 -11.38  -8.00 
1970 12 -17.74 -26.51 -22.12 
1971 01 -19.08 -27.54 -23.31 
1971 02  -7.74 -19.89 -13.81 
1971 03  -3.10 -15.07  -9.08 
1971 04   9.02  -4.16   2.43 
1971 05  21.36   4.17  12.76 
1971 06  22.84  10.02  16.43 
1971 07  22.65 -99.99 -99.99 
1971 08  25.41  11.74  18.57 
1971 09  17.08   5.26  11.17 
1971 10   9.07  -2.31   3.38 
1971 11  -3.44 -11.54  -7.49 
1971 12 -14.24 -23.47 -18.85 
1972 01 -19.19 -29.44 -24.31 
1972 02 -16.67 -26.41 -21.54 
1972 03  -2.82 -14.67  -8.74 
1972 04   5.26  -5.02   0.12 
1972 05  20.00   6.45  13.22 
1972 06  23.23  10.29  16.76 
1972 07  22.27   8.14  15.21 
1972 08  24.68  10.67  17.67 
1972 09  11.97   1.52   6.74 
1972 10   7.10  -3.11   1.99 
1972 11  -3.69  -9.43  -6.56 
1972 12 -15.63 -24.85 -20.24 
1973 01 -10.34 -19.94 -15.14 
1973 02 -10.22 -21.28 -15.75 
1973 03   2.01  -9.88  -3.93 
1973 04   5.89  -3.72   1.08 
1973 05  18.81   4.19  11.50 
1973 06  19.73   9.45  14.59 
1973 07  24.52  12.53  18.52 
1973 08  24.30  12.07  18.18 
1973 09  16.87   4.39  10.63 
1973 10  10.08   -.23   4.92 
1973 11  -8.33 -15.15 -11.74 
1973 12 -14.72 -22.88 -18.79 
1974 01 -19.57 -27.76 -23.66 
1974 02  -9.47 -23.32 -16.40 
1974 03  -7.11 -19.98 -13.54 
1974 04   8.24  -3.63   2.30 
1974 05  11.36   1.69   6.52 
1974 06  22.44   9.55  15.99 
1974 07  25.65  13.08  19.36 
1974 08  20.61  10.01  15.31 
1974 09  13.61   3.08   8.34 
1974 10  12.13   -.37   5.88 
1974 11   0.76  -7.81  -3.52 
1974 12  -4.37 -12.97  -8.67 
1975 01 -12.95 -22.19 -17.57 
1975 02 -10.92 -21.35 -16.13 
1975 03  -5.59 -17.45 -11.52 
