1972 10 14.05   3.98   9.01 
1972 11  5.41  -2.90   1.25 
1972 12   .67 -10.39  -4.86 
1973 01  -.12  -9.70  -4.91 
1973 02  3.28  -5.26   -.99 
1973 03  5.36  -2.83   1.26 
1973 04 11.49    .17   5.83 
1973 05 19.79   7.10  13.45 
1973 06 24.96  11.38  18.17 
1973 07 28.56  14.71  21.63 
1973 08 29.34  15.36  22.35 
1973 09 20.91   8.14  14.53 
1973 10 15.80   2.55   9.17 
1973 11  7.95  -3.44   2.25 
1973 12  5.09 -99.99 -99.99 
1974 01  2.53  -8.14  -2.80 
1974 02  3.90 -99.99 -99.99 
1974 03 10.27 -99.99 -99.99 
1974 04 12.22 -99.99 -99.99 
1974 05 20.04 -99.99 -99.99 
1974 06 28.25  13.78  21.01 
1974 07 29.97 -99.99 -99.99 
1974 08 28.90  14.59  21.74 
1974 09 24.74  11.39  18.06 
1974 10 16.00   4.55  10.27 
1974 11  8.57  -1.96   3.30 
1974 12  2.49 -99.99 -99.99 
1975 01  3.35 -99.99 -99.99 
1975 02  3.21 -99.99 -99.99 
1975 03  7.16 -99.99 -99.99 
1975 04  7.89 -99.99 -99.99 
1975 05 15.65 -99.99 -99.99 
1975 06 22.14 -99.99 -99.99 
1975 07 29.98 -99.99 -99.99 
1975 08 26.95 -99.99 -99.99 
1975 09 23.33   9.77  16.54 
1975 10 14.08 -99.99 -99.99 
1975 11  6.08 -99.99 -99.99 
1975 12  6.37 -99.99 -99.99 
1976 01  3.96 -99.99 -99.99 
1976 02  5.71 -99.99 -99.99 
1976 03  5.80 -99.99 -99.99 
1976 04 11.74 -99.99 -99.99 
1976 05 20.07 -99.99 -99.99 
1976 06 24.33 -99.99 -99.99 
1976 07 30.77  16.28  23.52 
1976 09 21.62   9.82  15.72 
1976 10 14.98   1.90   8.43 
1976 11 10.55   -.65   4.95 
1976 12  5.51  -6.17   -.32 
1977 02  7.55  -3.83   1.86 
1977 04 17.48   4.82  11.15 
1977 05 13.41 -99.99 -99.99 
1977 08 27.33  14.36  20.84 
1977 09 22.97   8.96  15.96 
1977 11  8.82  -3.80   2.50 
1978 01  3.85  -5.37   -.76 
1978 02  6.37  -3.74   1.31 
1978 03 10.43    .79   5.61 
1978 04 11.46    .82   6.14 
1978 05 16.76   4.13  10.44 
1978 06 24.16  10.75  17.45 
1978 07 29.29  14.88  22.08 
1978 09 21.05   7.87  14.45 
1978 10 18.04   4.17  11.11 
1978 11  5.79  -3.46   1.16 
1978 12   .86  -9.84  -4.49 
1979 01 -2.59 -11.95  -7.27 
1979 02  4.05  -5.07   -.51 
1979 03  8.43  -1.28   3.58 
1979 04 12.86   1.55   7.20 
1979 05 19.50   7.14  13.32 
1979 06 25.46  12.68  19.07 
1979 07 99.99  16.60 -99.99 
1979 12  6.48  -4.98    .74 
1980 01 99.99  -6.39 -99.99 
1980 02  5.90  -3.50   1.20 
1980 03  6.94 -99.99 -99.99 
1980 05 15.20 -99.99 -99.99 
1980 10 15.90   4.14  10.01 
1980 12  7.13  -4.57   1.28 
1981 01   .79  -7.53  -3.37 
1981 02  5.84  -5.17    .33 
1981 03  8.14  -1.40   3.37 
1981 04 14.90   3.40   9.14 
1981 09 24.65  10.87  17.76 
1981 10 13.95   1.59   7.77 
1982 01  2.79  -4.83  -1.02 
1982 03  9.20  -3.46   2.87 
1982 05 19.08   2.88  10.98 
1982 07 28.81  13.93  21.37 
