1972 12 -4.05 -16.66 -10.35 
1973 01 -5.23 -16.46 -10.85 
1973 02 -5.66 -21.25 -13.45 
1973 03  5.20  -4.79    .20 
1973 04  9.87  -2.92   3.47 
1973 05 16.09   3.09   9.59 
1973 06 23.10   9.74  16.42 
1973 07 26.01  11.38  18.69 
1973 08 25.58  13.38  19.48 
1973 09 18.17   5.13  11.65 
1973 10 13.52   1.99   7.75 
1973 11  1.88  -4.48  -1.30 
1973 12 -4.31 -12.27  -8.29 
1974 01 -6.39 -19.67 -13.03 
1974 02 -6.80 -20.61 -13.70 
1974 03  -.56 -12.49  -6.52 
1974 04  9.60  -3.09   3.25 
1974 05 13.78   2.17   7.97 
1974 06 22.53   8.87  15.70 
1974 07 24.54  12.09  18.31 
1974 08 24.34  10.09  17.21 
1974 09 16.95   5.48  11.21 
1974 10  9.07  -2.33   3.37 
1974 11  3.46  -5.02   -.78 
1974 12  -.84 -10.12  -5.48 
1975 01 -4.75 -17.53 -11.14 
1975 02 -3.69 -18.24 -10.96 
1975 03   .18 -13.00  -6.41 
1975 04  6.78  -5.40    .69 
1975 05 22.65   5.34  13.99 
1975 06 24.19  10.06  17.12 
1975 07 27.68  13.56  20.62 
1975 08 25.97  10.69  18.33 
1975 09 17.62   6.81  12.21 
1975 10 12.54   1.56   7.05 
1975 11  5.72  -3.02   1.34 
1975 12 -5.25 -16.83 -11.04 
1976 01 -9.52 -23.55 -16.53 
1976 02 -1.84 -15.86  -8.84 
1976 03  1.16 -12.45  -5.64 
1976 04 11.97  -2.26   4.85 
1976 05 16.12   3.10   9.61 
1976 06 25.90  11.58  18.74 
1976 07 24.04  11.33  17.68 
1976 08 23.92  10.20  17.06 
1976 09 17.43   5.18  11.30 
1976 10  8.56  -1.43   3.56 
1976 11   .94  -6.53  -2.79 
1976 12 -7.70 -22.42 -15.06 
1977 01 10.16 -22.53 -16.34 
1977 02 -3.14 -14.79  -8.96 
1977 03 99.99  -6.40 -99.99 
1977 10 10.70    .58   5.64 
1977 11  4.46  -4.00    .23 
1978 01 -8.39 -19.94 -14.17 
1978 02 -7.80 -23.61 -15.70 
1978 03  -.63 -14.05  -7.34 
1978 04  7.00  -5.38    .80 
1978 05 20.96   4.76  12.86 
1978 06 21.65   8.78  15.21 
1978 07 25.01  10.84  17.92 
1978 08 23.87   9.87  16.87 
1978 09 16.23   3.22   9.72 
1978 11  3.69  -7.98  -2.14 
1978 12 -4.09 -14.23  -9.16 
1979 01 -7.03 -19.23 -13.13 
1979 02 10.06 -23.24 -16.65 
1979 03  4.55  -7.15  -1.30 
1979 04 10.52  -2.08   4.22 
1979 05 17.85   4.81  11.33 
1979 06 21.99   7.54  14.76 
1979 07 25.53  11.57  18.54 
1979 08 21.40  10.10  15.75 
1979 09 16.95   4.38  10.67 
1979 10 10.31   1.87   6.09 
1979 11  5.37  -2.28   1.54 
1979 12 -2.95 -12.20  -7.57 
1980 01 -6.23 -17.10 -11.66 
1980 02 -6.76 -19.32 -13.04 
1980 03  1.74 -11.18  -4.72 
1980 04 10.31   -.19   5.06 
1980 05 18.15   1.97  10.05 
1980 06 20.17   6.37  13.27 
1980 07 23.85  10.75  17.29 
1980 09 16.40   4.89  10.64 
1980 10  8.03   -.16   3.93 
1980 11   .82  -6.20  -2.68 
1980 12 -9.83 -21.53 -15.68 
1981 01 10.05 -24.42 -17.23 
1981 02   .15 -10.10  -4.98 
1981 03  2.17  -7.74  -2.78 
1981 04 11.69  -1.76   4.96 
1981 05 17.83   3.87  10.85 
1981 06 22.35   9.68  16.01 
1981 07 25.03  10.61  17.82 
1981 08 23.40  10.12  16.76 
1981 09 16.83   6.97  11.90 
1981 10  9.60   -.82   4.39 
1981 11  3.80  -4.32   -.26 
1981 12 -2.34 -10.61  -6.47 
1982 01 11.95 -25.84 -18.89 
1982 02 -5.55 -19.57 -12.56 
1982 03  1.82 -11.88  -5.03 
1982 04  7.28  -4.73   1.27 
1982 05 20.50   5.05  12.77 
1982 06 20.78   8.57  14.67 
1982 07 25.50   9.43  17.46 
1982 08 21.13   6.81  13.96 
1982 09 18.67   5.55  12.11 
1982 10 12.18   1.68   6.93 
1982 11  5.00  -3.77    .61 
1982 12   .30  -9.14  -4.42 
1983 01 -5.86 -15.87 -10.86 
1983 02 -2.80 -14.74  -8.76 
1983 03  2.65  -8.10  -2.72 
1983 04  8.45   -.38   4.03 
1983 05 14.93   4.30   9.61 
1983 06 24.78   9.38  17.08 
1983 08 25.69 -99.99 -99.99 
1983 09 21.90   6.58  14.24 
1983 10 10.75   -.44   5.15 
1983 11  3.39  -3.71   -.15 
1983 12 -5.29 -17.02 -11.15 
1984 02   .47 -10.33  -4.92 
1984 03 -2.33 -15.16  -8.74 
1984 04 12.68    .50   6.59 
1984 05 14.53   3.33   8.93 
1984 06 22.63   9.82  16.22 
1984 07 22.98  14.10  18.54 
1984 08 24.95 -99.99 -99.99 
1984 09 17.62   5.07  11.34 
1984 10 99.99   1.90 -99.99 
1984 12 -2.50  -9.09  -5.79 
1985 01 99.99 -23.63 -99.99 
1985 02 -4.17 -99.99 -99.99 
1985 03   .81 -10.69  -4.93 
1985 06 22.58 -99.99 -99.99 
1985 09 19.70   6.36  13.03 
1986 01 99.99 -19.57 -99.99 
1986 02 -5.48 -99.99 -99.99 
1986 04 14.11  -1.20   6.45 
1986 07 24.48  12.48  18.48 
1986 08 22.24  10.12  16.18 
1986 10  9.82    .14   4.98 
1987 06 23.20  10.07  16.63 
1987 07 25.87  13.84  19.85 
1987 08 22.94   9.89  16.41 
1987 09 18.58   7.40  12.99 
1987 10  9.68    .10   4.89 
1987 11  3.58  -5.42   -.92 
1987 12 -1.65  -9.56  -5.60 
1988 01 -5.15 -17.87 -11.51 
1988 02 -4.67 -17.17 -10.92 
1988 03  1.44 -10.22  -4.39 
1988 04  9.60   -.65   4.47 
1988 05 20.03   6.25  13.14 
1988 06 21.98   7.70  14.84 
1988 07 27.10  14.03  20.56 
1988 08 23.40  13.48  18.43 
1988 09 17.54   6.62  12.08 
1988 10  8.85    .52   4.68 
1988 11  5.08  -2.48   1.30 
1988 12 -4.48 -16.41 -10.44 
1989 01 -4.40 -17.69 -11.04 
1989 02 -5.62 -19.82 -12.71 
1989 03  -.16 -13.79  -6.97 
1989 04  8.35  -3.43   2.46 
1989 05 19.03   5.82  12.42 
1989 06 22.60  11.02  16.81 
1989 07 26.71  11.40  19.05 
1989 08 23.66  11.35  17.50 
1989 09 19.03   7.36  13.19 
1989 10 12.78  -1.26   5.76 
1989 11  2.13 -99.99 -99.99 
1989 12 11.73 -31.98 -21.85 
1990 01 -1.11 -99.99 -99.99 
1990 03  1.81 -99.99 -99.99 
1990 04 11.81 -99.99 -99.99 
1990 05 17.20 -99.99 -99.99 
1990 06 22.06 -99.99 -99.99 
1990 07 25.44 -99.99 -99.99 
1990 11  4.46  -3.72    .37 
1991 04 10.85   -.70   5.07 
1991 05 99.99   6.21 -99.99 
1991 09 17.19   5.05  11.12 
1992 01 -8.21 -99.99 -99.99 
1992 02 -5.14 -19.15 -12.14 
1992 03  -.21 -14.67  -7.44 
1992 04  8.68  -3.75   2.46 
1992 05 19.37   2.38  10.87 
1992 09 18.15   8.10  13.12 
1993 03 99.99 -12.67 -99.99 
1993 05 17.61   4.50  11.05 
1993 06 21.70   8.35  15.03 
1993 09 17.20   5.44  11.32 
1993 10  9.34    .16   4.75 
