1955 11  -9.60 -21.41 -15.51 
1955 12 -14.36 -25.14 -19.75 
1956 01 -15.92 -25.87 -20.89 
1956 02  -9.88 -22.79 -16.33 
1956 03  -1.69 -17.10  -9.39 
1956 04   7.31  -8.26   -.47 
1956 05  20.24   2.89  11.56 
1956 06  22.46   8.33  15.39 
1956 07  23.32   9.07  16.19 
1956 08  23.08   7.09  15.08 
1956 09  15.86   1.30   8.58 
1956 10  10.25  -4.62   2.81 
1956 11   2.49 -10.13  -3.82 
1956 12  -8.43 -21.45 -14.94 
1957 01 -13.12 -28.36 -20.74 
1957 02  -8.14 -23.38 -15.76 
1957 03   0.15 -16.90  -8.37 
1957 04  10.25  -6.18   2.03 
1957 05  19.01   0.84   9.92 
1957 06  21.25   2.62  11.93 
1957 07  25.83   6.70  16.26 
1957 08  20.79   5.23  13.01 
1957 09  17.95   2.26  10.10 
1957 10  10.28  -5.93   2.17 
1957 11   2.13  -9.93  -3.90 
1957 12   -.11 -18.28  -9.19 
1958 01  -4.21 -14.91  -9.55 
1958 02 -10.34 -99.99 -99.99 
1958 03   -.75 -99.99 -99.99 
1958 04  11.11 -99.99 -99.99 
1958 05  20.19   3.51  11.85 
1958 06  21.66   4.02  12.84 
1958 07  25.05   8.92  16.98 
1958 08  25.80   7.78  16.78 
1958 09  17.03   2.61   9.82 
1958 10  12.35  -4.19   4.08 
1958 11  -1.08 -13.28  -7.18 
1958 12  -6.14 -19.32 -12.73 
1959 01 -16.17 -28.80 -22.48 
1959 02  -7.46 -24.40 -15.93 
1959 03   4.11  -8.81  -2.35 
1959 04  11.72  -2.50   4.61 
1959 05  16.59   0.41   8.50 
1959 06  21.29   7.59  14.44 
1959 07  25.49  10.75  18.11 
1959 08  19.44   7.77  13.60 
1959 09  14.22   3.05   8.63 
1959 10   5.11  -3.58   0.76 
1959 11  -2.02 -11.97  -6.99 
1959 12  -2.59 -13.44  -8.01 
1960 01 -11.97 -99.99 -99.99 
1960 02  -9.35 -99.99 -99.99 
1960 03  -3.84 -17.87 -10.85 
1960 04   9.62 -99.99 -99.99 
1960 05  16.73 -99.99 -99.99 
1960 06  19.37 -99.99 -99.99 
1960 07  25.79  11.29  18.54 
1960 08  22.80   9.20  16.00 
1960 09  18.29   3.93  11.11 
1960 10  10.13  -1.92   4.10 
1960 11  -1.17 -13.01  -7.09 
1960 12  -3.71 -15.90  -9.80 
1961 01  -6.66 -21.73 -14.19 
1961 02  -5.39 -18.06 -11.72 
1961 05  18.32   2.98  10.65 
1961 06  25.24   9.10  17.17 
1961 07  23.99  11.15  17.57 
1961 08  27.02   8.97  18.00 
1961 09  13.83   -.80   6.51 
1961 10   8.87  -2.18   3.34 
1961 11  -3.50 -12.59  -8.04 
1961 12 -14.96 -28.22 -21.59 
1962 01  -9.05 -23.65 -16.35 
1962 02 -12.60 -28.15 -20.37 
1962 03  -3.31 -17.57 -10.44 
1962 04   9.75  -3.96   2.89 
1962 05  17.33   2.13   9.72 
1962 06  22.85   8.25  15.55 
1962 07  21.97   8.68  15.33 
1962 08  22.53   8.37  15.45 
1962 09  18.85   3.28  11.06 
1962 10  12.91   -.79   6.06 
1962 11   3.31  -7.23  -1.96 
1962 12  -7.18 -19.94 -13.56 
1963 01 -15.13 -28.74 -21.93 
1963 02  -8.49 -21.01 -14.75 
1963 03 -99.99 -11.19 -99.99 
1963 04  10.83  -3.42   3.70 
1963 05  16.03   1.31   8.67 
1963 06  21.59   7.96  14.77 
1963 07  25.23  11.07  18.15 
1963 08  24.03   8.57  16.29 
1963 09  19.74   5.79  12.76 
1963 10  15.05   -.42   7.31 
1963 11  -2.17 -13.05  -7.61 
1963 12  -8.56 -20.11 -14.33 
1964 01 -99.99 -20.96 -99.99 
1964 02  -1.07 -14.87  -7.97 
1964 03  -6.30 -21.95 -14.12 
1964 04   9.67  -4.04   2.81 
1964 05  17.86   4.12  10.99 
1964 06  22.12   6.68  14.40 
1964 07  24.70  10.31  17.50 
1964 08  20.57   8.14  14.35 
1964 09  13.12   1.73   7.42 
1964 10  11.73  -1.41   5.16 
1964 11  -2.19 -11.35  -6.77 
1964 12 -18.24 -28.15 -23.19 
1965 01 -16.54 -29.12 -22.83 
1965 02 -13.04 -27.12 -20.08 
1965 03  -5.76 -22.79 -14.27 
1965 04   7.89  -3.70   2.09 
1965 05  15.91   2.47   9.18 
1965 06  19.68   7.87  13.77 
1965 07  25.06  10.18  17.61 
1965 08  22.45   8.82  15.63 
1965 09  10.05  -1.30   4.37 
1965 10  12.72  -2.05   5.33 
1965 11  -6.11 -14.49 -10.30 
1965 12  -8.41 -20.40 -14.40 
1966 01 -21.82 -32.70 -27.26 
1966 02  -9.93 -24.79 -17.36 
1966 03  -1.04 -13.63  -7.34 
1966 04   4.81  -5.11   -.15 
1966 05  18.12   3.17  10.64 
1966 06  19.15   6.72  12.93 
1966 09  19.17   4.02  11.59 
1966 10   9.51  -3.62   2.94 
1966 11  -6.92 -18.37 -12.65 
1966 12  -8.75 -18.04 -13.40 
1967 01 -14.00 -25.41 -19.70 
1967 02 -10.34 -23.80 -17.07 
1967 03  -6.39 -19.28 -12.83 
1967 04   3.97  -7.92  -1.97 
1967 05  16.26  -0.09   8.08 
1967 06  19.04   5.60  12.32 
1967 07  23.87   9.16  16.51 
1967 09  22.02   4.76  13.39 
1967 10   7.01  -2.32   2.34 
1967 11   -.96  -9.18  -5.07 
1967 12  -9.84 -21.16 -15.50 
1968 01 -14.21 -26.90 -20.55 
1968 02  -6.80 -19.32 -13.06 
1968 03   2.55  -8.21  -2.83 
1968 04   9.04  -4.09   2.47 
1968 05  16.49   1.82   9.15 
1968 06  21.02   6.36  13.69 
1968 07  23.44   9.14  16.29 
1968 08  19.06   6.24  12.65 
1968 09  15.30   4.79  10.04 
1968 10   7.82  -1.66   3.08 
1968 11   0.61  -7.83  -3.61 
1968 12 -13.26 -22.35 -17.80 
1969 01 -23.79 -36.66 -30.23 
1969 02  -9.78 -22.26 -16.02 
1969 03  -3.25 -17.85 -10.55 
1969 04  12.14   -.89   5.62 
1969 05  16.20   2.43   9.31 
1969 06  20.46   5.15  12.81 
1969 08  24.45   9.26  16.85 
1969 09  14.84   3.82   9.33 
1969 10   3.51  -4.23   -.36 
1969 11   1.08 -10.08  -4.50 
1969 12  -5.68 -16.20 -10.94 
1970 01 -15.77 -25.59 -20.68 
1970 02  -6.29 -20.95 -13.62 
1970 03  -5.45 -19.35 -12.40 
1970 04   7.72  -4.73   1.49 
1970 05  16.87   1.99   9.43 
1970 06  23.27  10.46  16.86 
1970 07  22.93  11.25  17.09 
1970 08  23.01   8.34  15.67 
1970 09  16.39   1.59   8.99 
1970 10   7.90  -2.69   2.60 
1970 11  -6.42 -13.28  -9.85 
1970 12 -15.85 -99.99 -99.99 
1971 01 -18.92 -30.20 -24.56 
1971 02  -6.74 -99.99 -99.99 
1971 03  -3.45 -15.93  -9.69 
1971 04   9.49  -3.85   2.82 
1971 05  20.40   3.51  11.95 
1971 06  20.50   7.78  14.14 
