1971 08  22.03  10.97  16.50 
1971 09   9.04   0.15   4.59 
1971 10   3.49  -5.72  -1.11 
1971 12  -9.30 -99.99 -99.99 
1972 01 -11.64 -20.21 -15.93 
1972 02  -5.38 -13.71  -9.54 
1972 03   0.18  -8.14  -3.98 
1972 04  -0.09  -9.58  -4.83 
1972 05   8.43  -0.07   4.18 
1972 06  13.41   4.55   8.97 
1972 07  15.15   5.85  10.50 
1972 08  19.71   9.18  14.45 
1972 09   6.63  -1.13   2.75 
1972 10   4.01  -4.53   -.26 
1972 11  -2.31  -7.09  -4.69 
1972 12 -10.07 -15.66 -12.86 
1973 01  -7.89 -14.56 -11.22 
1973 02  -3.57 -11.80  -7.68 
1973 03   -.25  -8.82  -4.53 
1973 04   2.73  -5.90  -1.58 
1973 05  10.74   0.48   5.60 
1973 06  13.67   3.45   8.56 
1973 07  19.57   7.01  13.29 
1973 08  18.65   7.13  12.89 
1973 09  11.77   2.56   7.16 
1973 10   3.51  -2.15   0.67 
1973 11  -5.94 -11.30  -8.62 
1973 12  -4.96 -10.24  -7.60 
1974 01  -9.35 -15.79 -12.57 
1974 02  -4.67 -10.10  -7.38 
1974 03  -2.88 -11.57  -7.22 
1974 04   3.31  -3.98   -.33 
1974 05   4.75  -2.33   1.21 
1974 06  15.29   5.05  10.17 
1974 07  17.01   6.09  11.55 
1974 08  15.22   4.82  10.02 
1974 09  12.71   1.41   7.06 
1974 10   9.14   -.63   4.25 
1974 11  -2.73  -8.14  -5.43 
1974 12  -4.85 -10.62  -7.73 
1975 01  -8.59 -16.06 -12.32 
1975 02  -9.28 -17.18 -13.23 
1975 03  -5.25 -13.23  -9.24 
1975 04  -0.09  -7.34  -3.71 
1975 05   8.29   -.31   3.99 
1975 06  12.35   3.44   7.89 
1975 07  21.13  10.38  15.75 
1975 08  13.90   4.77   9.33 
1975 09  15.70   3.82   9.76 
1975 10   3.87  -4.10   -.11 
1975 11   0.24 -10.48  -5.12 
1975 12  -1.90 -11.55  -6.72 
1976 01  -3.47 -11.59  -7.53 
1976 02  -4.94 -12.08  -8.51 
1976 03  -4.61 -12.15  -8.38 
1976 04   4.96  -4.06   0.45 
1976 05   9.47   -.79   4.34 
1976 06  10.41 -99.99 -99.99 
1976 07  17.70   7.16  12.43 
1976 08  15.87   5.30  10.58 
1976 09  15.83   4.94  10.38 
1976 10   6.30  -1.61   2.34 
1976 11   0.21  -7.24  -3.51 
1976 12  -4.73  -9.89  -7.31 
1977 01  -8.16 -14.91 -11.53 
1977 02  -1.36  -8.91  -5.13 
1977 03  -1.68 -11.10  -6.39 
1977 04 -99.99  -4.46 -99.99 
1977 05 -99.99  -2.04 -99.99 
1977 06  16.15   4.23  10.19 
1977 07  16.91   4.26  10.58 
1977 08  17.21   4.65  10.93 
1977 09   9.56   0.25   4.90 
1977 10   5.02  -4.23   0.39 
1977 11  -4.83 -11.79  -8.30 
1977 12  -8.74 -15.94 -12.34 
1978 01  -7.48 -13.85 -10.66 
1978 02  -3.51 -12.48  -7.99 
1978 03   0.02  -8.53  -4.25 
1978 04   2.96  -4.96  -1.00 
1978 05   5.54  -2.20   1.67 
1978 06  15.70   3.98   9.84 
1978 07  17.40   7.72  12.56 
1978 08  14.47   6.31  10.39 
1978 09  10.13   3.75   6.94 
1978 10   6.74  -1.43   2.65 
1978 11  -4.85 -12.62  -8.73 
1978 12 -10.78 -17.20 -13.99 
1979 01 -12.65 -20.21 -16.43 
1979 02  -6.86 -13.82 -10.34 
1979 03   -.61  -7.60  -4.10 
1979 04   1.10  -6.78  -2.84 
1979 05   9.31   -.92   4.19 
1979 06  15.23   3.88   9.55 
1979 07  19.96   6.79  13.37 
1979 08  18.53   7.98  13.25 
1979 09  15.08   2.17   8.62 
1979 10   7.05  -2.63   2.21 
1979 11  -2.97 -10.79  -6.88 
1979 12  -3.34 -12.48  -7.91 
1980 01 -10.63 -16.98 -13.80 
1980 02  -5.22 -11.34  -8.28 
1980 03  -3.32 -11.81  -7.56 
1980 04   6.72  -3.05   1.83 
1980 05  11.87   2.63   7.25 
1980 06  12.20   4.14   8.17 
1980 07  15.07   6.60  10.83 
1980 08  11.35   3.05   7.20 
1980 11  -6.89  -9.91  -8.39 
1980 12  -8.18 -14.18 -11.18 
1981 01  -4.85 -10.26  -7.55 
1981 02  -8.04 -13.45 -10.74 
1981 05  10.05   0.93   5.49 
1981 06   8.93   1.41   5.17 
1981 07  16.82   7.33  12.07 
1981 08  21.50  11.34  16.42 
1981 09  13.53   3.43   8.47 
1981 10   5.21  -2.88   1.16 
1981 11   1.00  -4.44  -1.72 
1981 12  -6.42 -13.48  -9.95 
1982 01  -8.47 -16.11 -12.29 
1982 02  -5.96 -13.21  -9.58 
1982 03  -1.39  -9.14  -5.27 
1982 04   1.72  -7.22  -2.75 
1982 05   9.43   0.26   4.85 
1982 06  17.17   7.02  12.09 
1982 07  17.18   8.13  12.65 
1982 08  17.48   7.65  12.56 
1982 12  -6.04 -10.97  -8.50 
1983 01  -2.24  -7.15  -4.69 
1983 02  -1.54  -5.75  -3.64 
1983 04   5.92 -99.99 -99.99 
1983 05  11.37   1.74   6.55 
1983 08  22.02 -99.99 -99.99 
1983 10   8.84  -1.38   3.73 
1983 11  -1.02  -5.43  -3.22 
1983 12 -11.40 -19.27 -15.33 
1984 01  -2.87  -9.56  -6.21 
1984 02 -99.99  -6.91 -99.99 
1984 06  13.91   4.48   9.19 
1984 07  19.17   9.27  14.22 
1984 09   8.38   0.16   4.27 
1984 10 -99.99  -3.84 -99.99 
1984 11  -2.85  -8.50  -5.67 
1984 12  -9.79 -17.48 -13.63 
1985 01  -6.77 -12.52  -9.64 
1985 02  -5.48 -13.66  -9.57 
1985 03  -1.05  -8.71  -4.88 
1985 05  12.52   2.73   7.62 
1985 06  14.02   4.62   9.32 
1985 07  22.47  10.87  16.67 
1985 08  15.74   6.27  11.00 
1985 09   6.53   -.37   3.08 
1985 10   1.80  -3.50   -.85 
1985 11 -11.72 -17.45 -14.58 
1986 01  -2.32  -8.33  -5.32 
1986 02  -4.67 -12.18  -8.42 
1986 04   3.84  -3.78   0.02 
1986 05  10.06   1.52   5.79 
1986 10   8.50   0.45   4.47 
1986 11  -5.00 -10.07  -7.53 
1986 12  -5.25 -10.38  -7.81 
1987 01  -5.48 -99.99 -99.99 
1987 03   0.52  -6.40  -2.93 
1987 04   7.88  -1.14   3.37 
1987 05  11.97   3.22   7.59 
1987 09  15.80   5.91  10.85 
1987 10   8.75   0.52   4.64 
1987 11   1.17  -4.77  -1.79 
1987 12  -5.48 -11.52  -8.50 
1988 01  -7.16 -13.22 -10.19 
1988 02  -2.50 -99.99 -99.99 
1988 03   -.48  -6.80  -3.64 
1988 04   5.48  -2.82   1.33 
1988 05  10.55   1.61   6.08 
1988 06  16.32   6.78  11.55 
1988 07  18.24   8.77  13.50 
1988 08  17.87   8.34  13.10 
1988 09  12.35   3.80   8.07 
1988 11  -2.62  -6.58  -4.60 
1988 12  -4.73  -9.00  -6.86 
1989 01  -5.87 -13.91  -9.88 
1989 02  -9.32 -20.34 -14.83 
1989 03  -3.31 -16.16  -9.73 
1989 04   4.38  -6.90  -1.26 
1989 05   8.89   0.47   4.68 
1989 06  15.55   6.21  10.88 
1989 07  19.92   9.35  14.63 
1989 08  15.47   7.13  11.30 
1989 09  12.75   3.59   8.17 
1989 10   4.44 -99.99 -99.99 
1990 01  -4.94 -10.35  -7.64 
1990 02  -5.11 -12.40  -8.75 
1990 03   1.04  -6.53  -2.74 
1990 04   5.68  -2.63   1.52 
1990 05   8.29   0.52   4.40 
1990 06  14.05   4.05   9.05 
1990 08  19.31   9.53  14.42 
1990 09  18.61   7.21  12.91 
1990 10   4.08  -2.88   0.59 
1990 11  -1.87  -7.18  -4.52 
1991 01  -5.65 -99.99 -99.99 
1991 02   0.17  -5.83  -2.83 
1991 03  -1.11  -9.55  -5.33 
1991 04   5.60  -3.87   0.86 
1991 05   9.93   0.52   5.23 
1991 06  12.37   3.08   7.72 
1991 10   5.25  -4.23   0.50 
