1977 06 28.13  14.44  21.28 
1977 07 31.22  15.84  23.53 
1977 08 27.99  13.24  20.61 
1977 09 27.35   9.52  18.43 
1977 10 19.89   2.49  11.19 
1977 11  9.13  -4.54   2.29 
1977 12  5.23  -9.99  -2.37 
1978 01 -3.61 -17.20 -10.40 
1978 02 -3.40 -14.37  -8.88 
1978 03  8.99  -5.99   1.50 
1978 04 16.21   1.91   9.06 
1978 05 21.60   6.79  14.19 
1978 07 32.39  15.09  23.74 
1978 08 30.86  12.79  21.82 
1978 09 29.17   9.41  19.29 
1978 10 21.15   1.34  11.24 
1978 11  7.87  -5.69   1.08 
1978 12 -2.47 -13.66  -8.06 
1979 01 -8.22 -19.19 -13.71 
1979 02  -.68 -13.99  -7.33 
1979 03  8.72  -4.30   2.21 
1979 04 16.40   -.18   8.10 
1979 05 21.09   4.94  13.01 
1979 06 26.67  10.95  18.81 
1979 07 29.22  15.27  22.24 
1979 08 29.87  13.11  21.49 
1979 09 28.66   9.00  18.83 
1979 10 20.96   2.36  11.66 
1979 11  6.60  -7.06   -.23 
1979 12  8.03  -6.05    .98 
1980 01  1.77 -11.95  -5.09 
1980 02  3.62  -9.27  -2.82 
1980 03  7.81  -6.58    .61 
1980 04 16.50    .40   8.45 
1980 05 22.56 -99.99 -99.99 
1980 06 30.14  12.79  21.46 
1980 07 36.58  16.61  26.59 
1980 08 32.71  14.26  23.48 
1980 09 28.41   8.99  18.70 
