1973 02 10.30 -27.52 -18.91 
1973 03 -3.62 -19.35 -11.48 
1973 04  4.38  -5.27   -.44 
1973 05 14.67   1.33   8.00 
1973 07 22.68  14.14  18.41 
1973 09 18.92   4.00  11.46 
1973 10  7.04  -7.62   -.28 
1973 11 -4.07 -17.07 -10.57 
1973 12 13.48 -25.67 -19.57 
1974 01 11.15 -23.67 -17.41 
1974 02 -9.80 -26.04 -17.92 
1974 03 -2.57 -19.00 -10.78 
1974 09 18.12   4.84  11.48 
1975 01 12.93 -26.85 -19.89 
1975 02 10.74 -28.39 -19.56 
1975 03  -.63 -16.77  -8.70 
1975 04  9.21  -3.86   2.67 
1975 12 15.69 -29.00 -22.34 
1979 09 16.54   3.38   9.96 
1979 10  9.83  -8.24    .79 
1980 02 12.21 -30.00 -21.10 
1980 10  5.88  -4.62    .63 
1981 01 14.07 -31.36 -22.71 
1981 07 23.23  11.85  17.54 
1982 04  9.39  -4.55   2.42 
1986 04  6.96  -3.94   1.51 
1989 02 -5.99 -28.82 -17.40 
1991 01 13.72 -27.05 -20.38 
1993 07 26.45  12.99  19.72 
1993 08 23.05  14.32  18.68 
1993 11 -5.47 -16.20 -10.83 
1993 12 14.87 -26.39 -20.63 
