1964 06 24.28  10.39  17.33 
1964 07 26.49  15.69  21.09 
1964 08 21.62  11.69  16.65 
1964 09 18.74   7.94  13.34 
1964 10 12.07   2.16   7.11 
1964 11  4.82  -3.82    .50 
1964 12 -1.13 -99.99 -99.99 
1965 01 -6.12 -99.99 -99.99 
1965 02 -3.74 -99.99 -99.99 
1965 03  1.95 -99.99 -99.99 
1965 04  9.97   -.98   4.49 
1965 05 19.42   6.93  13.17 
1965 06 23.45  10.81  17.13 
1965 07 24.01  12.33  18.17 
1965 08 23.24  13.33  18.28 
1965 09 20.02   9.59  14.80 
1965 10 11.22   3.45   7.33 
1965 11  2.97  -3.80   -.41 
1965 12  -.54  -7.73  -4.13 
1966 01 -6.30 -14.55 -10.42 
1966 02 -3.46 -13.95  -8.70 
1966 03  2.89  -5.48  -1.29 
1966 04 10.78   -.85   4.96 
1966 05 99.99   4.94 -99.99 
1966 06 99.99  12.31 -99.99 
1966 07 99.99  13.85 -99.99 
1966 08 99.99  13.34 -99.99 
1966 09 99.99   7.18 -99.99 
1966 10 12.55   3.26   7.90 
1966 11  8.24    .39   4.31 
1966 12 -2.25  -9.70  -5.97 
1967 01 -1.71 -10.26  -5.98 
1967 02 -7.20 -20.32 -13.76 
1967 03   .24 -11.07  -5.41 
1967 04  9.51   -.86   4.32 
1967 05 13.89   2.89   8.39 
1967 06 25.02  13.46  19.24 
1967 08 24.18  14.18  19.18 
1967 09 20.35   7.96  14.15 
1967 10 12.92   4.10   8.51 
1967 11  2.30  -4.71  -1.20 
1967 12  -.48  -9.06  -4.77 
1968 01 -7.68 -19.02 -13.35 
1968 02 -7.46 -17.98 -12.71 
1968 03  5.10  -4.85    .12 
1968 04 14.78   1.47   8.12 
1968 07 26.04  14.43  20.23 
1968 08 22.60  11.97  17.28 
1968 09 22.05  10.86  16.45 
1968 10 16.07   6.50  11.28 
1969 05 16.78   4.96  10.87 
1969 06 23.15  12.07  17.61 
1969 07 25.79  14.14  19.96 
1969 08 99.99  14.75 -99.99 
1969 09 18.82   8.34  13.58 
1969 10 13.08   2.92   8.00 
1969 11  6.11   -.98   2.56 
1969 12 -3.78 -11.47  -7.62 
1970 01 10.02 -21.93 -15.97 
1970 02 -3.65 -14.89  -9.27 
1970 03  1.08  -8.27  -3.59 
1970 04 10.88   -.28   5.30 
1970 05 17.90   6.53  12.21 
1970 06 23.62  11.81  17.71 
1970 07 27.32  15.37  21.34 
1970 08 25.79  13.77  19.78 
1970 09 19.54   8.84  14.19 
1970 10 15.60   5.45  10.52 
1970 11  6.88   -.78   3.05 
1970 12 -6.01 -15.99 -11.00 
1971 01 -7.99 -19.41 -13.70 
1971 02 -3.16 -13.04  -8.10 
1971 03   .38  -9.68  -4.65 
1971 04  7.94  -1.61   3.16 
1971 05 18.82   6.65  12.73 
1971 06 24.62  10.71  17.66 
1971 07 25.84  13.67  19.75 
1971 08 23.83  12.68  18.25 
1971 09 21.96  11.88  16.92 
1971 10 16.71   6.00  11.36 
1971 11  3.83  -4.33   -.25 
1971 12 -1.47 -12.32  -6.89 
1972 01 -2.10 -13.96  -8.03 
1972 02 -5.28 -16.83 -11.05 
1972 03  -.19 -10.22  -5.20 
1972 04  6.86  -2.08   2.39 
1972 05 19.85   6.77  13.31 
1972 06 22.76  12.76  17.76 
1972 07 25.11  14.35  19.73 
1972 08 22.56  12.46  17.51 
1972 09 20.36   9.43  14.89 
1972 10  9.89   1.19   5.54 
1972 11  3.38  -3.70   -.15 
1972 12 -2.24 -12.37  -7.30 
1973 01 -3.24 -12.37  -7.80 
1973 02 -4.61 -15.58 -10.09 
1973 03  6.62  -1.45   2.58 
1973 04 11.41   1.44   6.42 
1973 05 16.86   7.03  11.94 
1973 06 24.19  13.12  18.65 
1973 07 26.82  15.71  21.26 
