1969 11 39.00  22.23  30.62 
1969 12 35.25  23.06  29.16 
1970 01 38.50  25.54  32.02 
1970 02 36.34  25.46  30.90 
1970 03 37.13  25.29  31.21 
1970 04 33.16  22.55  27.85 
1970 05 26.59  16.75  21.67 
1970 06 27.75  15.24  21.49 
1970 07 27.00  12.05  19.52 
1970 08 27.83  13.66  20.74 
1970 09 28.51  15.91  22.21 
1970 10 33.34  20.55  26.95 
1970 11 32.73  21.77  27.25 
1970 12 35.75  25.75  30.75 
1971 01 34.09  26.03  30.06 
1971 02 36.24  26.95  31.59 
1971 03 35.57  26.57  31.07 
1971 04 34.22  21.53  27.87 
1971 05 30.33  17.91  24.12 
1971 06 24.47  14.01  19.24 
1971 07 25.55  12.70  19.12 
1971 08 26.76  14.82  20.79 
1971 09 29.85  16.66  23.25 
1971 10 32.09  18.99  25.54 
1971 11 31.23  21.00  26.11 
1971 12 33.83  24.21  29.02 
1972 01 35.62  25.49  30.55 
1972 02 37.89  26.83  32.36 
1972 03 36.09  25.12  30.60 
1972 04 34.22  21.32  27.77 
1972 05 30.60  17.00  23.80 
1972 06 27.45  15.28  21.36 
1972 07 25.43  14.19  19.81 
1972 08 25.55  15.02  20.28 
1972 09 31.12  17.92  24.52 
1972 10 32.33  18.95  25.64 
1972 11 35.88  23.45  29.66 
1972 12 35.68  26.07  30.87 
1973 01 34.64  26.93  30.78 
1973 02 38.08  26.88  32.48 
1973 03 35.33  26.40  30.86 
1973 04 32.90  22.60  27.75 
1973 05 29.26  19.70  24.48 
1973 06 25.76  16.00  20.88 
1973 07 27.26  17.18  22.22 
1973 08 27.05  16.29  21.67 
1973 09 29.33  15.57  22.45 
1973 10 33.00  20.31  26.65 
1973 11 33.89  23.09  28.49 
1973 12 36.74  26.10  31.42 
1974 01 33.14  25.63  29.38 
1974 05 28.62  18.81  23.71 
1974 06 26.23  14.85  20.54 
1974 07 26.70  14.18  20.44 
1974 08 27.43  15.91  21.67 
1974 09 29.42  18.50  23.96 
1974 10 31.03  19.78  25.40 
1974 12 36.87  25.67  31.27 
1975 01 34.91  26.28  30.59 
1975 02 34.73  26.20  30.46 
1975 03 35.24  25.89  30.56 
1975 04 33.53  22.68  28.10 
1975 05 31.77  17.66  24.71 
1975 06 27.02  13.97  20.49 
1975 07 25.76  15.35  20.55 
1975 08 26.76  13.53  20.14 
1975 09 30.70  17.85  24.27 
1975 10 29.89  18.77  24.33 
1975 11 33.68  22.20  27.94 
1975 12 36.09  25.33  30.71 
1976 01 34.98  26.55  30.76 
1976 02 36.02  25.64  30.83 
1976 03 34.54  23.68  29.11 
1976 04 33.88  20.94  27.41 
1976 05 30.38  16.78  23.58 
1976 06 26.92  13.53  20.22 
1976 07 26.35  12.63  19.49 
1976 08 28.39  14.58  21.48 
1976 09 30.45  16.42  23.43 
1976 10 28.95  18.96  23.96 
1976 11 31.53  19.84  25.68 
1976 12 36.15  25.45  30.80 
1977 01 36.91  26.07  31.49 
1977 02 36.43  27.75  32.09 
1977 03 35.23  24.97  30.09 
1977 04 34.78  22.33  28.55 
1977 05 29.45  18.00  23.72 
1977 06 25.86  14.00  19.93 
1977 07 26.90  12.38  19.64 
1977 08 29.29  14.70  21.99 
1977 09 29.68  15.39  22.53 
1977 10 32.87  19.65  26.25 
1977 11 36.33  23.43  29.88 
1977 12 33.52  24.60  29.06 
1978 01 35.95  26.67  31.31 
1978 02 36.09  27.04  31.56 
1978 03 36.93  26.76  31.84 
1978 04 33.93  22.61  28.27 
1978 05 28.56  17.66  23.11 
1978 06 25.35  14.54  19.94 
1978 07 24.26  12.83  18.54 
1978 08 25.85  15.99  20.92 
1978 09 28.85  14.92  21.88 
1978 10 31.88  20.48  26.18 
1978 11 34.99  22.83  28.91 
1978 12 33.57  23.76  28.66 
1979 01 33.48  25.04  29.26 
1979 02 35.81  25.89  30.85 
1979 03 36.87  25.77  31.32 
1979 04 33.05  23.21  28.13 
1979 05 27.82  17.46  22.64 
1979 06 28.02  15.12  21.57 
1979 07 26.96  12.59  19.77 
1979 08 26.87  15.33  21.10 
1979 09 30.07  17.62  23.84 
1979 10 34.54  19.46  27.00 
1979 11 34.75  23.34  29.04 
1979 12 37.84  26.73  32.29 
1980 01 37.18  27.44  32.31 
1980 02 35.00  27.08  31.04 
1980 03 38.63  27.21  32.91 
1980 04 32.87  22.77  27.82 
1980 05 31.26  20.07  25.66 
1980 06 26.63  18.04  22.34 
1980 07 24.82  13.82  19.32 
1980 08 29.03  15.88  22.45 
1980 09 34.08  19.94  27.01 
1980 10 32.59  19.14  25.86 
1980 11 33.56  22.66  28.11 
1980 12 38.34  26.08  32.21 
1981 01 36.15  27.12  31.63 
1981 02 33.34  25.90  29.62 
1981 03 34.90  24.67  29.78 
1981 04 37.04  23.43  30.23 
1981 05 30.18  17.62  23.90 
1981 06 25.82  14.58  20.20 
1981 07 25.81  13.43  19.61 
1981 08 28.08  15.25  21.66 
1981 09 33.45  18.25  25.85 
1981 10 35.90  20.45  28.17 
1981 11 32.33  21.17  26.75 
1981 12 99.99  25.02 -99.99 
1982 02 35.05  26.40  30.72 
1982 03 36.08  24.80  30.44 
1982 04 35.39  22.03  28.71 
1982 05 30.35  17.73  24.04 
1982 06 25.63  13.67  19.65 
1982 07 26.56  13.75  20.15 
1982 08 29.44  15.12  22.28 
1982 09 29.38  17.46  23.42 
1982 10 33.96  20.65  27.30 
1982 11 36.43  24.05  30.24 
1982 12 36.83  25.75  31.29 
1983 01 37.08  26.16  31.62 
1983 02 36.82  27.77  32.29 
1983 03 35.63  25.93  30.78 
1983 04 32.11  22.70  27.40 
1983 05 31.71  16.87  24.29 
1983 06 27.80  15.61  21.70 
1983 07 25.81  12.90  19.35 
1983 08 28.35  14.23  21.29 
1983 09 32.18  18.29  25.24 
1983 10 34.14  20.23  27.18 
1983 11 34.91  24.10  29.50 
1983 12 36.33  25.76  31.04 
1984 04 34.77 -99.99 -99.99 
1984 05 31.00  21.25  26.12 
1984 06 27.94  13.67  20.80 
1984 07 24.38  13.88  19.12 
1984 08 27.68  14.27  20.97 
1984 09 28.82  16.14  22.48 
1984 10 34.96  21.49  28.22 
1984 11 35.57  22.15  28.86 
1985 01 36.83 -99.99 -99.99 
1985 02 36.32  27.01  31.66 
1985 03 36.68 -99.99 -99.99 
1985 05 30.24  17.32  23.78 
1985 07 27.10  13.25  20.17 
1985 08 28.33  14.38  21.35 
1985 09 31.35  16.76  24.05 
1985 10 29.81  18.84  24.32 
1985 11 35.25  23.16  29.20 
1986 01 36.43  26.32  31.38 
1986 02 36.39  26.35  31.37 
1986 04 36.40  23.34  29.87 
1986 05 30.42  17.36  23.89 
1986 06 26.37  16.87  21.62 
1986 07 24.24  12.20  18.21 
1986 08 26.49  12.60  19.54 
1986 09 29.48  16.85  23.16 
1986 10 30.62  18.67  24.64 
1986 11 35.18  22.18  28.68 
1987 02 35.89  26.73  31.31 
1987 03 36.70  25.42  31.06 
1987 04 35.45  23.82  29.63 
1987 05 29.52  18.01  23.76 
1987 06 26.42  15.25  20.83 
1987 07 27.64  13.89  20.76 
1987 08 28.37 -99.99 -99.99 
1987 09 31.55  16.04  23.80 
1987 10 30.71  18.94  24.82 
1987 11 31.82 -99.99 -99.99 
1987 12 35.78  22.52  29.15 
1988 01 37.02 -99.99 -99.99 
1988 02 39.58  26.93  33.25 
1988 03 37.86  25.88  31.87 
1988 04 99.99  24.06 -99.99 
1988 05 28.12 -99.99 -99.99 
1988 06 28.62  14.93  21.77 
1988 08 28.30  14.77  21.53 
1988 09 31.69  16.52  24.10 
1988 10 36.59 -99.99 -99.99 
1988 11 34.75 -99.99 -99.99 
1989 01 36.55 -99.99 -99.99 
1989 02 35.83  26.60  31.21 
1989 03 35.70  25.30  30.50 
1989 04 34.32 -99.99 -99.99 
1989 05 30.18  17.70  23.94 
1989 06 24.92  14.34  19.63 
1989 07 25.75 -99.99 -99.99 
1989 08 27.60  12.89  20.24 
1989 09 32.23  16.60  24.41 
1989 10 32.38  19.08  25.73 
1989 11 34.61  22.61  28.61 
1989 12 33.91  23.06  28.48 
1990 01 35.18  25.76  30.47 
1990 02 36.63  25.35  30.99 
1990 03 36.49  25.78  31.13 
1990 04 35.99  22.38  29.18 
1990 05 31.50 -99.99 -99.99 
1990 06 27.15  15.14  21.14 
1990 07 25.66  12.03  18.84 
1990 08 28.14  16.01  22.07 
1990 09 31.25 -99.99 -99.99 
1990 10 34.08  18.86  26.47 
1990 11 37.32  22.88  30.09 
1991 01 37.62  26.84  32.23 
1991 02 35.59  27.27  31.43 
1991 03 37.07  26.41  31.74 
1991 04 35.22  23.58  29.40 
1991 05 30.79  18.71  24.75 
1991 06 26.46  17.26  21.86 
1991 07 26.43  14.00  20.21 
1991 08 29.15  14.23  21.68 
1991 09 29.53  16.21  22.87 
1991 10 35.83  21.41  28.62 
1991 11 32.11  20.18  26.14 
1992 01 34.63  24.47  29.55 
1992 02 35.61  25.83  30.72 
1992 03 35.12  24.76  29.93 
1992 04 32.91  23.80  28.35 
1992 05 99.99  20.12 -99.99 
1992 06 27.45 -99.99 -99.99 
1992 07 28.17  12.43  20.29 
1992 08 26.28  14.30  20.29 
1992 09 29.03  16.04  22.54 
1992 10 32.65  18.02  25.33 
1992 11 33.71 -99.99 -99.99 
1992 12 99.99  22.75 -99.99 
1993 01 36.87 -99.99 -99.99 
1993 02 35.41  26.08  30.75 
1993 03 37.40  24.27  30.83 
1993 04 36.77  23.66  30.21 
1993 05 29.94 -99.99 -99.99 
1993 06 26.02  15.28  20.65 
1993 07 25.63  11.86  18.74 
1993 08 27.70 -99.99 -99.99 
1993 09 29.87  15.75  22.81 
