1967 11 -1.12  -9.93  -5.52 
1967 12 12.78 -21.38 -17.08 
1968 02 -2.09 -11.61  -6.85 
1968 04 99.99  -5.23 -99.99 
1968 12 22.09 -30.75 -26.42 
1970 03  4.28  -8.09  -1.90 
1971 07 19.21   2.39  10.80 
1971 08 16.84   4.94  10.89 
1971 09 10.72   -.61   5.05 
1971 10  1.13  -8.07  -3.46 
1971 11 -9.47 -20.12 -14.79 
1972 02 10.76 -27.51 -19.13 
1972 03 99.99 -24.30 -99.99 
1972 04  2.09 -17.79  -7.84 
1972 07 21.74   1.84  11.79 
1973 03   . 0 -12.66  -6.33 
1973 04  5.79  -4.14    .82 
1973 05 11.42  -1.25   5.08 
1973 06 15.43   2.70   9.06 
1973 07 18.04   5.13  11.59 
1975 01 14.11 -25.78 -19.94 
1975 02 -9.79 -23.37 -16.58 
1975 04  5.18  -6.88   -.85 
1975 05 10.91  -2.09   4.40 
1975 06 15.68   1.29   8.48 
1975 07 18.98   3.67  11.32 
1975 08 17.71    .79   9.25 
1975 09 11.96  -1.46   5.25 
1975 10  1.98  -8.22  -3.12 
1975 11 13.10 -23.44 -18.27 
1975 12 15.63 -26.51 -21.07 
1976 01 13.16 -23.46 -18.31 
1976 02 12.11 -27.01 -19.56 
1976 03  -.58 -15.62  -8.10 
1976 04  5.98  -9.29  -1.65 
1976 05  9.97  -3.14   3.41 
1976 06 18.92   1.37  10.14 
1976 07 19.54   3.36  11.45 
1976 08 17.24   3.31  10.27 
1976 09  9.18  -1.86   3.66 
1976 10  1.90  -6.12  -2.10 
1976 11  -.36  -9.55  -4.95 
1976 12 -8.31 -17.00 -12.65 
1977 01 -2.00 -10.59  -6.29 
