1966 11 12.30 -23.81 -18.05 
1966 12 14.86 -23.54 -19.20 
1967 01 18.17 -31.98 -25.07 
1967 02 15.94 -33.31 -24.62 
1967 03 -8.43 -27.69 -18.06 
1967 04  1.21 -16.35  -7.57 
1967 05 10.75  -4.30   3.22 
1967 06 17.87   4.46  11.17 
1967 07 21.94   8.85  15.39 
1967 08 22.60   8.24  15.42 
1967 09 18.31   5.97  12.14 
1967 10  3.91  -2.33    .78 
1967 11 -5.66 -12.60  -9.13 
1967 12 14.72 -22.57 -18.64 
1968 01 20.16 -31.48 -25.82 
1968 02 12.32 -26.45 -19.38 
1968 03   .31 -14.81  -7.25 
1968 04  4.80  -9.05  -2.12 
1968 05 14.33   -.48   6.92 
1968 06 17.87   5.61  11.74 
1968 07 20.64   7.15  13.89 
1968 08 18.31   6.38  12.34 
1968 09 14.49   4.51   9.50 
1968 10  5.47  -1.04   2.21 
1968 11 -4.91 -11.22  -8.06 
1969 01 24.19 -37.14 -30.66 
1969 02 11.29 -26.94 -19.11 
1969 03 -4.51 -21.45 -12.98 
1969 04  8.45  -7.51    .46 
1969 05 12.23   -.81   5.70 
1969 06 16.37   2.16   9.26 
1969 07 22.45   8.18  15.32 
1969 08 22.64   9.28  15.95 
1969 09 10.61   2.69   6.64 
1969 10  2.30  -4.84  -1.27 
1969 11 -4.29 -14.38  -9.33 
1969 12 10.32 -19.70 -15.01 
1970 01 19.40 -31.79 -25.59 
1970 02 12.61 -27.45 -20.03 
1970 03 -6.24 -24.73 -15.48 
1970 04  5.05  -7.45  -1.19 
1970 05 13.49  -1.20   6.14 
1970 07 23.56  10.05  16.80 
1970 08 21.11   8.38  14.74 
1970 09 13.15   3.81   8.47 
1970 10  5.40  -2.02   1.69 
1970 11 -7.70 -14.91 -11.30 
1970 12 21.30 -30.56 -25.93 
1971 01 21.22 -31.78 -26.50 
1971 03 -5.85 -22.04 -13.94 
1971 05 15.54   1.22   8.38 
1971 06 21.09   7.52  14.30 
1971 07 21.02 -99.99 -99.99 
1971 08 23.16 -99.99 -99.99 
1971 10  6.32  -2.74   1.79 
1971 11 -6.57 -13.87 -10.22 
1971 12 18.42 -27.06 -22.74 
1972 03 -4.23 -21.84 -13.04 
1972 04  2.59  -9.71  -3.56 
1972 05 17.12   2.48   9.80 
1972 06 22.21   9.70  15.95 
1972 07 20.15   8.39  14.27 
1972 08 22.49   7.86  15.17 
1972 09  6.70   -.95   2.87 
1972 10  2.34  -5.55  -1.60 
1972 11 -6.96 -14.09 -10.52 
1973 01 13.44 -25.97 -19.70 
1973 02 13.34 -29.63 -21.48 
1973 03   .62 -14.24  -6.81 
