1951 09  14.83   0.14   7.48 
1951 10   6.68  -1.84   2.41 
1951 11 -99.99  -8.24 -99.99 
1951 12  -4.08 -14.09  -9.08 
1952 01 -99.99 -12.92 -99.99 
1952 02   -.13 -12.13  -6.13 
1952 03 -99.99 -12.28 -99.99 
1952 04 -99.99  -5.15 -99.99 
1952 05  13.82   -.48   6.67 
1952 06  17.54   2.35   9.95 
1952 07  23.36   4.61  13.98 
1952 10  14.26  -1.35   6.45 
1952 11   1.49 -10.69  -4.60 
1952 12   -.27 -11.11  -5.69 
1953 01   1.69  -6.33  -2.32 
1953 02   0.46  -9.84  -4.69 
1953 03   5.96  -8.38  -1.21 
1953 05  11.36  -3.32   4.02 
1953 06  15.97   0.48   8.22 
1953 07  25.36   4.73  15.04 
1953 08  22.94   4.56  13.75 
1953 09  18.94   2.03  10.48 
1953 11   5.68  -5.83  -0.07 
1954 03   0.90 -14.19  -6.64 
1954 04   6.42  -6.50  -0.03 
1954 05  14.14  -1.94   6.10 
1954 06  15.30   0.64   7.97 
1954 07  24.69   5.69  15.19 
1954 08  19.91   3.16  11.53 
1954 09  15.42   0.89   8.15 
1954 10   8.35  -3.50   2.42 
1954 11   6.33  -3.69   1.32 
1954 12  -1.11 -11.11  -6.10 
1955 01  -3.70 -12.10  -7.90 
1955 02  -3.10 -14.95  -9.02 
1955 03  -1.74 -13.66  -7.70 
1955 04   5.44  -7.30   -.93 
1955 05  10.57  -2.44   4.06 
1955 06  16.83   3.19  10.01 
1955 07  20.71   5.95  13.33 
1955 08  24.37   5.00  14.68 
1955 09  15.48   0.66   8.07 
1955 10  10.98  -1.83   4.57 
1956 07  22.78   6.33  14.55 
1956 08  19.95   4.31  12.13 
1956 12   0.58  -9.14  -4.27 
1957 01  -8.03 -18.58 -13.30 
1957 04   6.81  -5.09   0.85 
1957 06  18.49   3.27  10.88 
1957 07  24.15   5.31  14.73 
1957 08  23.44   4.09  13.76 
1957 09  18.21   1.03   9.62 
1957 10   8.18  -3.02   2.58 
1957 11   0.67  -9.38  -4.35 
1957 12   0.55  -9.45  -4.44 
1958 06  16.78   3.72  10.25 
1958 07  21.55   4.67  13.11 
1958 08  25.36   5.62  15.49 
1958 09  15.16   -.16   7.50 
1958 10  11.88  -3.19   4.34 
1958 11   1.15  -9.20  -4.02 
1958 12   0.83  -9.38  -4.27 
1959 01  -1.31 -12.87  -7.09 
1959 03   2.60  -9.72  -3.56 
1959 04   8.24  -6.70   0.77 
1959 05  10.09  -3.78   3.15 
1959 08  21.32   3.04  12.18 
1959 09  12.90   0.06   6.48 
1959 10   8.46  -3.85   2.30 
1960 06  18.99   3.87  11.43 
1960 07  27.66   7.95  17.80 
1960 08  20.06   3.85  11.95 
1960 09  18.18   1.27   9.72 
1960 10   9.87  -2.77   3.55 
1960 11   2.06  -8.68  -3.31 
1960 12  -1.71 -10.88  -6.29 
1961 01   1.03 -10.38  -4.67 
1961 02   2.30  -7.90  -2.80 
1961 03   3.66  -8.63  -2.48 
1961 04   4.90  -5.72   -.40 
1961 05  13.56  -1.29   6.13 
1961 07  25.79   5.80  15.79 
1961 08  27.07   6.56  16.81 
1961 09  12.85  -1.61   5.62 
1961 10   8.70  -4.14   2.28 
1963 07  22.51   4.87  13.69 
1963 08  20.96   5.39  13.17 
1963 09  19.06   3.97  11.51 
1963 10  12.90  -1.09   5.90 
1963 11   3.15  -6.69  -1.77 
1964 05  13.17  -1.52   5.82 
1964 07  24.45   5.47  14.96 
