1974 11  7.02  -2.50   2.26 
1974 12   .67  -7.09  -3.21 
1975 01 -1.56 -10.52  -6.04 
1975 02 -1.71 -10.71  -6.21 
1975 03  1.22  -9.89  -4.33 
1975 04  7.77  -5.35   1.21 
1975 05 22.53   6.12  14.32 
1975 06 23.61  10.97  17.29 
1975 07 26.91  11.87  19.39 
1975 08 25.27  10.97  18.12 
1975 09 17.89   5.59  11.74 
1975 10 17.14   3.58  10.36 
1975 11 10.86    .64   5.75 
1975 12   . 7  -8.34  -4.13 
1976 01 -4.81 -12.55  -8.68 
1976 02  2.32  -8.47  -3.07 
1976 04 15.02  -1.04   6.98 
1976 05 18.21   2.85  10.53 
1976 06 27.02  11.30  19.16 
1976 07 28.41  11.62  20.01 
1976 08 26.79   9.85  18.32 
1976 09 22.34   5.86  14.10 
1976 10 12.06 -99.99 -99.99 
1976 11  2.22  -5.43  -1.60 
1977 01 99.99 -15.86 -99.99 
1977 02 -1.99 -11.79  -6.89 
1977 03  7.80  -2.36   2.71 
1977 04 17.04   1.80   9.42 
1977 05 26.24   8.52  17.38 
1977 06 24.81 -99.99 -99.99 
1977 07 29.59 -99.99 -99.99 
1977 08 23.71   9.68  16.69 
1978 01 -4.41 -13.26  -8.83 
1978 02 -3.49 -16.83 -10.16 
1978 03  3.65  -9.29  -2.82 
1978 06 25.13   9.18  17.15 
