1970 10 13.84   2.96   8.39 
1970 11  1.89  -6.29  -2.20 
1970 12 -4.50 -14.64  -9.57 
1971 01 10.49 -22.33 -16.41 
1971 02 -5.37 -17.07 -11.21 
1971 03   .34  -9.58  -4.62 
1971 04 13.24    .-6   6.58 
1971 05 19.20   3.68  11.44 
1971 06 26.04  14.38  20.21 
1971 07 24.84  12.76  18.79 
1971 08 99.99  11.55 -99.99 
1971 09 20.50   8.68  14.59 
1971 10 15.45   3.85   9.64 
1971 11  3.45  -6.47  -1.50 
1971 12 -4.98 -16.04 -10.51 
1972 01 -9.47 -21.42 -15.45 
1972 02 -7.98 -20.72 -14.35 
1972 03   .55 -10.18  -4.81 
1972 04 99.99  -1.02 -99.99 
1972 05 20.90   8.72  14.81 
1972 06 24.70  10.86  17.78 
1972 07 25.74  13.93  19.83 
1972 08 26.05  14.20  20.12 
1972 09 20.19   6.60  13.39 
1972 10 12.05   -.49   5.78 
1972 11  2.10  -4.42  -1.16 
1972 12 -7.69 -19.27 -13.48 
1973 01 -4.58 -16.92 -10.75 
1973 02 -2.40 -13.05  -7.72 
1973 03  7.01  -1.62   2.69 
1973 04 11.73    .28   6.00 
1973 05 18.09   5.81  11.95 
1973 06 26.61  12.81  19.71 
1973 07 27.56  14.70  21.13 
1973 08 26.92  15.81  21.36 
1973 09 20.14   7.04  13.59 
1973 10 17.40   4.62  11.01 
1973 11  5.36  -5.33    . 1 
