1964 12 -4.69 -17.31 -11.00 
1965 01  1.98 -13.23  -5.62 
1965 02  1.19 -12.42  -5.61 
1965 03  -.98 -13.21  -7.09 
1965 04 10.10   -.65   4.73 
1965 05 15.96   3.55   9.75 
1965 06 20.02   7.57  13.79 
1965 07 25.19  12.11  18.65 
1965 08 25.01  11.80  18.40 
1965 09 11.54    .43   5.98 
1965 10 17.89   6.33  12.11 
1965 11  5.53  -5.82   -.14 
1965 12  3.79  -7.69  -1.95 
1966 01 -4.78 -17.70 -11.24 
1966 02  1.63  -9.60  -3.98 
1966 03  8.72  -3.43   2.64 
1966 04  9.46  -3.29   3.08 
1966 05 19.43   6.05  12.74 
1966 06 19.75   7.82  13.78 
1966 07 25.91  11.76  18.83 
1966 08 24.06   9.92  16.99 
1966 09 22.18   8.54  15.36 
1966 10 13.18   1.10   7.14 
1966 11  5.19  -9.91  -2.35 
1966 12  4.03  -7.74  -1.85 
1967 01  2.19 -12.05  -4.93 
1967 02  4.17 -10.70  -3.26 
1967 03  1.59 -99.99 -99.99 
1967 04  5.27  -5.03    .11 
1967 05 14.68   3.30   8.99 
1967 06 19.98   7.05  13.51 
1967 07 28.08  11.63  19.85 
1967 08 28.59  12.45  20.52 
1967 09 25.27   9.63  17.45 
1967 10 14.94   3.01   8.97 
1967 11  6.51  -4.67    .92 
1968 01  1.15 -13.80  -6.32 
1968 02  4.63  -8.14  -1.75 
1968 03  9.68  -2.69   3.49 
1968 04 10.02  -1.63   4.19 
1968 05 15.61   2.18   8.89 
1968 06 19.79   8.12  13.95 
1968 07 26.61  10.46  18.53 
1968 08 22.99   8.18  15.59 
1968 09 19.48   6.14  12.81 
1968 10 13.66   1.04   7.35 
1968 11  7.06 -99.99 -99.99 
1968 12 -4.66 -16.95 -10.81 
1969 01 12.87 -24.76 -18.81 
1969 02 -1.13 -10.94  -6.03 
1969 03  4.10  -8.64  -2.27 
1969 04 16.02   1.88   8.95 
1969 05 19.58   4.29  11.93 
1969 06 20.20   7.08  13.64 
1969 07 25.53   9.93  17.73 
1969 08 30.00  11.20  20.60 
1969 09 22.48   7.54  15.01 
1969 10  8.66  -2.97   2.84 
1969 11  9.89  -3.44   3.22 
1969 12  4.33  -6.84  -1.25 
1970 01 -3.89 -14.26  -9.07 
1970 02  4.86  -7.91  -1.52 
1970 03  2.90  -8.34  -2.72 
1970 04  7.05  -3.30   1.87 
1970 05 17.62   4.29  10.95 
1970 06 25.01  10.26  17.63 
1970 07 26.36  12.65  19.50 
1970 08 28.38  11.26  19.82 
1970 09 18.58   4.73  11.66 
1970 10 11.88  -1.26   5.31 
1970 11  5.11  -9.18  -2.03 
1971 01 -3.74 -17.45 -10.59 
1971 02  3.30  -8.10  -2.40 
1971 03  3.73  -7.54  -1.90 
1971 04 12.30  -1.09   5.60 
1971 05 18.45   4.98  11.71 
1971 06 20.55   7.89  14.21 
1971 07 26.18   9.17  17.67 
1971 09 18.58   3.79  11.18 
1971 10 12.38 -99.99 -99.99 
1971 11  6.33 -99.99 -99.99 
1971 12 -2.26 -16.70  -9.48 
1972 01 -5.59 -20.04 -12.81 
1972 02  -.26 -99.99 -99.99 
1972 03  8.18  -4.23   1.97 
1972 05 18.40   4.60  11.50 
1972 06 24.65  10.05  17.35 
1972 07 23.10   7.83  15.46 
1972 08 27.19  12.20  19.69 
1972 09 16.61 -99.99 -99.99 
