1950 04  4.78  -5.71   -.46 
1950 05 14.24   2.58   8.41 
1950 06 21.02   7.61  14.31 
1950 07 22.76  11.27  17.01 
1950 08 21.27   8.97  15.12 
1950 09 17.94   5.72  11.83 
1950 10  9.62    .52   5.07 
1950 11 -4.15 -14.17  -9.16 
1950 12 10.10 -20.63 -15.36 
1951 01 14.94 -25.39 -20.16 
1951 02 -9.79 -21.00 -15.39 
1951 03 -7.61 -19.12 -13.36 
1951 04  6.09  -3.89   1.10 
1951 05 18.59   4.25  11.42 
1951 06 18.45   7.33  12.89 
1951 07 23.43  13.25  18.34 
1951 08 21.87   9.05  15.46 
1951 09 16.98   4.27  10.62 
1951 11 -8.50 -16.62 -12.56 
1952 01 99.99 -27.20 -99.99 
1953 05 14.04   2.92   8.47 
1956 12 -8.49 -18.71 -13.60 
1957 01 18.01 -27.04 -22.52 
1957 02 11.89 -21.45 -16.67 
1957 03 -4.09 -12.26  -8.17 
1957 04  7.37  -3.90   1.73 
1957 05 19.17   5.10  12.13 
1957 06 20.68   7.41  14.04 
1957 07 28.23  13.68  20.95 
1957 08 22.38   9.83  16.10 
1957 09 17.79   5.49  11.64 
1957 10 11.41  -2.91   4.25 
1957 11 -1.50  -9.85  -5.67 
1957 12 -6.88 -17.15 -12.01 
1958 01 -6.33 -18.36 -12.34 
1958 02 -8.30 -20.44 -14.37 
1958 03   .50 -11.85  -5.67 
1958 06 22.80   6.07  14.43 
1958 08 25.90  13.23  19.56 
1958 09 17.45   6.20  11.82 
1958 10 14.37  -2.55   5.91 
1958 11   .31 -11.79  -5.74 
1958 12 12.07 -21.60 -16.83 
1959 01 16.24 -99.99 -99.99 
1959 02 -9.67 -22.92 -16.29 
1959 03  2.16  -9.75  -3.79 
1959 04  8.05  -4.83   1.61 
1959 06 23.48   7.10  15.29 
1960 11 -3.10 -11.74  -7.42 
1961 01 10.90 -22.34 -16.61 
1962 11  2.14  -5.72  -1.78 
1962 12 -9.58 -18.85 -14.21 
1963 01 18.50 -26.72 -22.61 
1963 02 11.33 -23.88 -17.60 
1963 03  -.35 -13.13  -6.74 
1963 04  9.18  -2.56   3.31 
1963 05 15.65   2.25   8.95 
1963 06 21.13   9.68  15.41 
1963 07 25.02  13.15  19.08 
1963 08 24.28  11.45  17.86 
1963 09 21.38   6.60  13.99 
1963 10 19.24   3.60  11.42 
1963 11  1.97  -9.00  -3.51 
1963 12 12.49 -21.33 -16.91 
1964 01 -9.47 -19.53 -14.50 
1964 02 -4.59 -16.94 -10.76 
1964 03 -8.60 -22.48 -15.54 
1964 04  9.28  -1.86   3.70 
1964 05 18.37   3.54  10.95 
1964 06 22.67   7.84  15.25 
1964 07 24.76  11.36  18.06 
1964 08 20.86   8.70  14.78 
1964 09 16.45   2.88   9.67 
1964 11 -2.42 -10.57  -6.49 
1964 12 14.87 -24.33 -19.60 
1965 01 16.37 -26.22 -21.30 
1965 02 15.24 -27.61 -21.42 
1965 03 -8.51 -22.49 -15.50 
1965 04  6.69  -2.39   2.15 
1965 05 15.43   2.76   9.09 
1965 06 21.91   9.42  15.66 
1965 07 23.71  12.11  17.91 
1965 08 23.46   9.47  16.46 
1965 11 -4.15 -13.34  -8.74 
1965 12 -7.97 -17.04 -12.50 
1966 01 23.49 -33.79 -28.64 
1968 05 15.40 -99.99 -99.99 
1968 06 20.50   6.79  13.64 
1968 07 23.04   8.92  15.98 
1968 09 18.29   5.71  12.00 
1968 10  8.85  -1.24   3.81 
1968 11  -.87  -8.60  -4.73 
1968 12 12.40 -21.93 -17.16 
1969 01 18.64 -28.80 -23.72 
1969 02 -8.58 -19.46 -14.02 
1969 04 12.18   -.84   5.67 
1969 05 15.78   2.05   8.91 
1969 06 18.39   5.06  11.72 
1969 07 21.81  10.72  16.26 
1969 08 25.87  12.35  19.11 
1969 09 16.31   4.69  10.50 
