1971 10  9.20  -1.35   3.92 
1971 11 -3.19 -10.99  -7.09 
1971 12 14.07 -22.97 -18.52 
1972 01 18.40 -28.83 -23.61 
1972 02 16.61 -25.63 -21.12 
1972 03 -4.17 -14.34  -9.26 
1972 04  6.14  -4.02   1.05 
1972 05 19.61   5.70  12.65 
1972 06 23.67  10.03  16.85 
1972 07 20.94   8.33  14.63 
1972 08 25.31  10.48  17.89 
1972 09 12.31    .80   6.55 
1972 10  6.68  -4.48   1.09 
1972 11 -3.54  -8.93  -6.23 
1972 12 15.90 -24.78 -20.34 
1973 01 -9.52 -18.99 -14.25 
1973 02 10.10 -20.76 -15.43 
1973 03  2.51  -7.55  -2.52 
1973 04  5.99  -4.26    .86 
1973 05 18.07   3.43  10.75 
1973 06 19.53   8.75  14.14 
1973 07 23.17  10.84  17.00 
1973 08 23.40  10.26  16.83 
1973 09 16.00   3.87   9.93 
1973 10 10.54   -.35   5.09 
1973 11 -9.09 -16.35 -12.72 
1973 12 12.78 -21.49 -17.13 
1974 01 19.68 -28.13 -23.90 
1974 02 -9.35 -21.51 -15.43 
1974 03 -8.10 -19.03 -13.56 
1974 04  7.45  -3.82   1.81 
1974 05 11.33   1.45   6.39 
1974 06 22.09   8.63  15.36 
1974 07 24.85  11.85  18.35 
1974 08 19.54   8.89  14.22 
1974 09 13.55   2.66   8.10 
1974 10 12.75   -.31   6.22 
1974 11   .89  -7.70  -3.40 
1974 12 -3.24 -10.50  -6.87 
1975 01 10.80 -21.08 -15.94 
1975 02 12.44 -21.08 -16.76 
1975 03 -7.69 -18.27 -12.98 
1975 04  4.33  -5.62   -.64 
1975 05 15.43   2.68   9.05 
1975 06 21.31   8.14  14.73 
1975 07 26.52  12.40  19.45 
1975 08 19.79   8.71  14.25 
1975 09 16.24   4.44  10.34 
1975 10  9.21  -1.52   3.84 
1975 11   .-7  -9.85  -4.96 
1975 12 -9.71 -21.67 -15.69 
1976 01 -9.67 -21.44 -15.55 
1976 02 -6.49 -15.58 -11.03 
1976 03 -3.16 -14.55  -8.85 
1976 04 12.13    .-5   6.04 
1976 05 20.75   3.95  12.35 
1976 06 20.42   9.18  14.80 
1976 07 99.99  11.78 -99.99 
1976 08 24.46  10.40  17.43 
1976 09 20.45   5.27  12.86 
1976 10  7.70  -4.16   1.77 
1976 11   .82 -11.72  -5.45 
1976 12 99.99 -20.60 -99.99 
1977 01 14.63 -25.47 -20.04 
1977 02  -.64 -12.25  -6.44 
1977 03   .83  -9.00  -4.08 
1977 04 15.15   -.50   7.32 
1977 05 21.25   6.84  14.04 
1977 06 22.85   9.28  16.06 
1977 07 99.99   9.59 -99.99 
1977 08 18.73   6.44  12.58 
1977 09 14.94   5.74  10.34 
1977 10 12.06    .36   6.21 
1977 11 -2.76 -11.44  -7.10 
1977 12 15.58 -25.54 -20.56 
1978 01 17.82 -29.10 -23.46 
1978 02 10.37 -23.72 -17.04 
1978 03 -1.84 -13.82  -7.83 
1978 04  7.14  -2.88   2.12 
1978 05 19.40   5.79  12.59 
1978 06 23.19   9.21  16.20 
1978 08 21.69   8.55  15.12 
1978 09 16.58   5.91  11.24 
1978 10 11.90    .23   6.06 
1978 11 -5.11 -99.99 -99.99 
1978 12 11.51 -21.35 -16.43 
1979 01 15.98 -26.14 -21.06 
1979 02 20.04 -31.12 -25.58 
1979 03 -2.83 -16.66  -9.74 
1979 04  1.55  -8.55  -3.50 
1979 05 14.08   1.48   7.78 
1979 06 22.23 -99.99 -99.99 
1979 08 23.14   8.32  15.73 
1979 09 19.19   5.93  12.56 
1979 10  9.87  -1.20   4.33 
1979 11   .52 -99.99 -99.99 
1979 12 -6.95 -16.02 -11.48 
1980 01 13.52 -24.95 -19.23 
1980 02 10.09 -19.12 -14.60 
1980 03 -5.05 -16.95 -11.00 
1980 05 22.40   6.53  14.46 
1980 08 21.53   9.38  15.45 
1980 09 16.48   4.67  10.57 
1980 10 11.33   -.13   5.60 
1980 11  2.57  -7.21  -2.32 
1980 12 13.14 -22.75 -17.94 
1981 01 -6.70 -17.81 -12.25 
1981 02 -5.18 -15.79 -10.48 
1981 04  9.57  -2.52   3.52 
1981 05 19.78   3.31  11.54 
1981 06 22.22   7.88  15.04 
1981 08 26.66  12.02  19.34 
1981 09 19.20   6.10  12.65 
1981 10  6.59  -2.58   2.00 
1981 11  2.77  -3.48   -.35 
1981 12 -9.72 -16.37 -13.04 
1982 01 22.54 -33.91 -28.22 
1982 02 10.28 -20.94 -15.61 
1982 04  7.98 -99.99 -99.99 
1982 05 14.68   3.41   9.04 
1982 06 21.90   7.52  14.71 
1982 08 21.63   8.14  14.88 
1982 09 17.36   5.00  11.18 
1982 10  9.85   -.29   4.78 
1982 11 -5.07 -14.81  -9.94 
1982 12 -8.52 -99.99 -99.99 
1983 01 -9.79 -19.65 -14.71 
1983 03 -3.76 -13.45  -8.60 
1983 04  5.95  -5.70    .12 
1983 05 14.18    .98   7.58 
1983 06 21.98   8.72  15.35 
1983 07 24.54  12.73  18.63 
1983 09 15.62   4.33   9.97 
1983 10 11.35  -1.12   5.11 
1983 11   .-2  -5.04  -2.53 
1983 12 17.78 -27.23 -22.50 
1984 01 99.99 -20.12 -99.99 
1984 02 99.99  -9.63 -99.99 
1984 03 -3.73 -12.77  -8.25 
1984 05 15.20   3.02   9.10 
1984 06 21.50 -99.99 -99.99 
1984 09 13.59   2.54   8.06 
1984 10 99.99  -2.63 -99.99 
1984 11 -5.44 -14.34  -9.89 
1985 02 12.57 -23.69 -18.13 
1985 04  9.96   -.24   4.86 
1985 08 21.13   7.42  14.27 
1985 09 13.15   2.85   8.00 
1985 10  9.16  -1.23   3.96 
1985 12 -9.03 -19.12 -14.08 
1986 01 -5.87 -15.55 -10.71 
1986 02 11.48 -20.96 -16.21 
1986 03  1.57  -7.23  -2.83 
1986 04  8.13  -3.52   2.30 
1986 05 19.15   5.68  12.41 
1986 06 22.95   8.55  15.75 
1986 07 22.74  11.19  16.96 
1986 09 14.48   3.17   8.82 
1986 10 11.48   -.42   5.53 
1986 11 -4.21 -13.88  -9.04 
1986 12 -5.03 -14.28  -9.65 
1987 01 -5.06 -14.35  -9.70 
1987 02 -4.42 -13.50  -8.96 
1987 03  -.38  -9.20  -4.79 
1987 04 13.27    .65   6.96 
1987 05 20.24   6.58  13.41 
1987 06 24.95  10.87  17.91 
1987 08 19.62   7.78  13.70 
1987 09 20.70   5.88  13.29 
1987 10  9.10  -1.26   3.92 
1987 11  3.63  -7.27  -1.82 
1988 01 13.32 -24.52 -18.92 
1988 02 99.99 -22.12 -99.99 
1988 05 22.67   7.22  14.94 
1988 06 27.91  12.97  20.44 
1988 07 26.27  11.84  19.05 
1988 10 99.99  -3.02 -99.99 
1989 04 10.52  -4.02   3.25 
1989 06 99.99   8.93 -99.99 
1989 08 24.10   9.76  16.93 
1989 09 99.99   5.30 -99.99 
1989 11 -5.06 -14.86  -9.96 
1990 04  8.26 -99.99 -99.99 
1990 06 24.00   9.89  16.95 
1990 08 24.67  10.92  17.79 
1990 09 20.60   5.30  12.95 
1990 10  7.73 -99.99 -99.99 
1991 04 10.69   -.84   4.92 
1991 05 18.33 -99.99 -99.99 
1991 06 22.16  10.93  16.54 
1991 07 24.69  11.89  18.29 
1991 09 18.83   4.92  11.87 
1991 10 99.99  -4.15 -99.99 
1991 12 -6.67 -17.81 -12.24 
1992 01 -6.50 -99.99 -99.99 
1992 03  3.30 -99.99 -99.99 
1992 05 16.78   3.12   9.95 
1992 07 22.53   9.26  15.89 
1992 08 23.26   7.84  15.55 
1992 10  8.29  -1.31   3.49 
1993 01 11.60 -21.79 -16.69 
1993 02 99.99 -17.35 -99.99 
1993 03  3.73  -6.34  -1.30 
1993 05 19.07   3.39  11.23 
1993 06 19.76   6.52  13.14 
1993 07 20.80  10.48  15.64 
1993 09 15.76   3.31   9.53 
1993 10 99.99  -3.56 -99.99 
1993 11 -4.15 -99.99 -99.99 
1994 01 18.36 -27.89 -23.12 
1994 02 99.99 -25.94 -99.99 
1994 03  3.42 -99.99 -99.99 
1994 04 99.99  -3.02 -99.99 
1994 05 17.91   4.08  10.99 
1994 06 21.79   9.80  15.79 
1994 09 21.09   7.30  14.19 
1994 10 10.46 -99.99 -99.99 
1994 11 99.99  -9.64 -99.99 
1995 02 -8.29 -18.04 -13.16 
1995 03 99.99 -13.21 -99.99 
1995 05 19.20 -99.99 -99.99 
1995 06 25.32  11.30  18.31 
1995 07 24.40 -99.99 -99.99 
1995 09 19.52   4.79  12.15 
1996 05 13.84 -99.99 -99.99 
1996 06 23.50  10.71  17.10 
1996 07 23.79 -99.99 -99.99 
1996 11 -6.31 -99.99 -99.99 
