1972 10  14.05   3.98   9.01 
1972 11   5.41  -2.90   1.25 
1972 12   0.67 -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   0.17   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   0.79   5.61 
1978 04  11.46   0.82   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   0.86  -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   0.74 
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   0.79  -7.53  -3.37 
1981 02   5.84  -5.17   0.33 
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 
