1972 09  9.31  -3.27   3.02 
1972 10   .-4  -8.77  -4.40 
1972 11 11.10 -22.33 -16.71 
1972 12 13.66 -25.68 -19.67 
1973 01 23.28 -34.29 -28.78 
1973 02 11.71 -28.39 -20.04 
1973 03 -1.51 -19.37 -10.44 
1973 04  7.34  -8.57   -.61 
1973 05 15.78  -1.16   7.31 
1973 06 21.63   5.28  13.45 
1973 07 19.77   7.68  13.72 
1973 08 17.28   3.58  10.43 
1973 09 13.59  -2.21   5.69 
1974 06 20.28 -99.99 -99.99 
1974 07 22.89   6.19  14.54 
1974 08 20.07   4.44  12.25 
1974 09 16.84    .-7   8.38 
1974 10 -1.24 -13.73  -7.48 
1974 11 12.90 -25.90 -19.40 
1974 12 18.67 -30.30 -24.48 
1975 01 99.99 -34.29 -99.99 
1975 02 13.05 -30.00 -21.52 
1975 04  5.18 -13.37  -4.09 
1975 05 16.64  -1.49   7.57 
1975 06 22.19   5.38  13.78 
1975 07 25.15   7.12  16.13 
1975 08 17.44   4.36  10.90 
1975 09 12.38   -.69   5.84 
1975 10 99.99 -11.96 -99.99 
1975 12 17.40 -99.99 -99.99 
1976 01 -7.05 -15.38 -11.21 
1977 02 -6.58 -18.25 -12.41 
