1966 10 35.09  20.89  27.99 
1966 11 37.72  22.39  30.05 
1966 12 40.34  25.05  32.69 
1967 01 37.41  25.10  31.25 
1967 02 36.75  24.65  30.70 
1967 03 37.86  24.87  31.36 
1967 04 38.14  23.58  30.86 
1967 05 33.63  20.79  27.21 
1967 06 28.85  14.66  21.75 
1967 07 28.37  13.04  20.70 
1967 08 30.57  15.38  22.97 
1967 09 35.31  17.83  26.57 
1967 10 40.03  21.95  30.99 
1967 11 41.44  25.01  33.22 
1967 12 40.13  24.95  32.54 
1968 01 40.54  25.74  33.14 
1968 02 39.75  26.53  33.14 
1968 03 37.24  25.52  31.38 
1968 04 35.93  23.63  29.78 
1968 05 28.04  17.65  22.84 
1968 06 26.84  18.29  22.57 
1968 07 25.96  13.86  19.91 
1968 08 27.43  14.56  20.99 
1968 09 33.50  18.94  26.22 
1968 10 37.43  21.76  29.59 
1968 11 40.65  23.91  32.28 
1968 12 41.33  25.28  33.30 
1969 01 41.96  27.30  34.62 
1969 02 37.46  25.85  31.65 
1969 03 39.25  25.57  32.41 
1969 04 36.95  22.17  29.56 
1969 05 32.93  20.02  26.47 
1969 06 27.95  14.55  21.25 
1969 07 29.05  15.27  22.16 
1969 08 31.19  15.19  23.19 
1969 09 33.46  17.21  25.34 
1969 10 38.98  21.10  30.04 
1969 11 41.14  23.31  32.22 
1969 12 40.75  24.52  32.64 
1970 01 42.27  27.54  34.90 
1970 02 40.22  27.00  33.61 
1970 03 41.15  25.69  33.42 
1970 04 36.97  23.53  30.25 
1970 05 30.29  19.28  24.78 
1970 06 30.76  17.73  24.24 
1970 07 29.77  14.89  22.33 
1970 08 31.28  15.97  23.62 
1970 09 32.50  17.66  25.08 
1970 10 39.79  22.36  31.07 
1970 11 38.84  23.37  31.11 
1970 12 40.49  26.49  33.49 
1971 01 39.62  26.28  32.95 
1971 02 38.32  25.71  32.01 
1971 03 38.71  26.12  32.41 
1971 04 35.83  22.35  29.09 
1971 05 99.99  19.08 -99.99 
1971 06 99.99  15.16 -99.99 
1971 07 28.20  12.42  20.31 
1971 08 99.99  15.75 -99.99 
1971 09 35.12  18.20  26.66 
1971 10 37.58  20.18  28.88 
1971 11 36.77  22.20  29.48 
1971 12 40.66  24.96  32.81 
1972 01 41.07  25.10  33.08 
1972 02 41.51 -99.99 -99.99 
1972 03 39.96 -99.99 -99.99 
1972 04 36.99 -99.99 -99.99 
1972 06 29.37 -99.99 -99.99 
1972 07 28.66 -99.99 -99.99 
1972 08 29.57 -99.99 -99.99 
1972 09 35.57 -99.99 -99.99 
1972 10 38.37 -99.99 -99.99 
1972 11 41.64 -99.99 -99.99 
1972 12 42.62 -99.99 -99.99 
1973 01 37.55 -99.99 -99.99 
1973 02 41.82  27.28  34.55 
1973 03 39.52  27.35  33.43 
1973 04 37.70  24.23  30.96 
1973 05 32.25  20.87  26.56 
1973 06 28.26  16.95  22.60 
1973 09 34.00  18.60  26.30 
1973 10 38.45  22.33  30.39 
1973 11 40.56  24.53  32.54 
1973 12 39.62  26.32  32.97 
1974 01 35.21  25.36  30.28 
1974 02 37.81  26.23  32.02 
1974 03 38.45  25.79  32.12 
1974 04 32.71  22.06  27.38 
1974 05 28.95  19.28  24.11 
1974 06 27.61  15.31  21.46 
1974 07 28.93  15.16  22.04 
1974 08 30.78  17.44  24.11 
1974 09 33.22  19.59  26.40 
1974 10 35.86  21.37  28.61 
1974 11 38.09 -99.99 -99.99 
1974 12 40.63  25.95  33.29 
1975 01 39.87  26.28  33.07 
1975 02 37.11  25.68  31.39 
1975 03 38.56  26.32  32.44 
1975 04 36.61  24.18  30.39 
1975 05 33.77  19.07  26.42 
1975 06 28.48  16.35  22.41 
1975 07 27.53  16.79  22.16 
1975 08 30.25  15.75  23.00 
1975 09 35.02  20.12  27.57 
1975 10 34.03  20.81  27.41 
1975 11 39.13  23.08  31.10 
1975 12 37.70  25.47  31.58 
1976 01 38.14  26.30  32.22 
1976 02 38.84  26.46  32.65 
1976 03 37.28  24.55  30.91 
1976 04 37.22 -99.99 -99.99 
1976 05 32.43  18.11  25.27 
1976 06 28.94  15.35  22.14 
1976 07 29.11  14.81  21.96 
1976 08 31.60  16.53  24.06 
1976 09 33.89  17.85  25.87 
1976 10 34.11  20.32  27.21 
1976 11 37.16  21.23  29.19 
1976 12 41.14  24.81  32.97 
1977 01 40.90  26.06  33.48 
1977 02 41.19  27.23  34.21 
1977 03 36.91  26.01  31.46 
1977 04 35.79  24.33  30.06 
1977 05 30.99  19.26  25.12 
1977 06 28.09  15.70  21.89 
1977 07 28.95  14.45  21.70 
1977 08 32.09  15.99  24.04 
1977 09 32.84  17.67  25.25 
1977 10 38.75  21.05  29.90 
1977 11 39.95  23.70  31.82 
1977 12 39.75  22.71  31.23 
1978 01 39.52  26.96  33.23 
1978 02 36.96  24.46  30.71 
1978 03 38.02  25.62  31.82 
1978 04 36.93  22.94  29.93 
1978 05 28.95  18.41  23.68 
1978 06 26.08  15.99  21.03 
1978 07 25.29  13.97  19.63 
1978 08 27.12  17.12  22.12 
1978 09 31.50  16.11  23.80 
1978 10 36.93  21.43  29.18 
1978 11 39.22  23.97  31.59 
1978 12 38.93  24.08  31.50 
1979 01 40.81  25.94  33.37 
1979 02 39.64  25.85  32.74 
1979 03 38.56  26.23  32.39 
1979 04 36.50  23.72  30.11 
1979 05 27.45  18.16  22.80 
1979 06 28.82  16.34  22.58 
1979 07 28.71  14.21  21.46 
1979 08 29.97  16.90  23.43 
1979 09 33.39  18.54  25.97 
1979 10 39.04  21.52  30.28 
1979 11 41.39  24.51  32.95 
1979 12 41.27  26.48  33.87 
1980 03 41.49  27.00  34.24 
1980 04 35.11  23.73  29.42 
1980 05 33.50  20.79  27.14 
1980 06 29.42  18.85  24.13 
1980 07 27.48  15.99  21.73 
1980 08 31.98  17.90  24.93 
1980 09 38.00  21.35  29.67 
1980 10 36.64  21.12  28.88 
1980 11 39.81  23.57  31.69 
1980 12 40.84  26.66  33.75 
1981 01 40.04  27.38  33.71 
1981 02 35.31  25.55  30.43 
1981 03 37.95  25.02  31.48 
1981 04 39.41  25.13  32.27 
1981 05 31.95  19.71  25.83 
1981 06 28.20  16.27  22.23 
1981 07 27.43  15.47  21.45 
1981 08 31.63  17.29  24.46 
1981 09 36.61  21.13  28.87 
1981 10 39.30  22.01  30.65 
1981 11 36.31  22.63  29.47 
1981 12 40.46  25.21  32.83 
1982 01 37.62  26.55  32.08 
1982 02 35.86  26.01  30.93 
1982 03 36.49  25.20  30.84 
1982 04 36.18  22.98  29.58 
1982 05 31.40  18.94  25.17 
1982 06 27.54  15.92  21.73 
1982 07 28.05  16.09  22.07 
1982 08 31.91  16.70  24.31 
1982 09 33.70  19.48  26.59 
1982 10 38.00  22.12  30.06 
1982 11 40.21  25.38  32.79 
1982 12 41.15  26.83  33.99 
1983 01 39.07  25.94  32.50 
1983 02 39.38  27.43  33.40 
1983 03 38.00  26.51  32.25 
1983 04 31.66  22.48  27.07 
1983 05 31.84  19.39  25.61 
1983 06 29.58  16.61  23.09 
1983 07 27.09  14.65  20.87 
1983 08 31.37  17.51  24.44 
1983 09 36.37  20.20  28.29 
1983 10 37.73  21.46  29.59 
1983 11 38.88  23.99  31.43 
1983 12 40.05  25.60  32.82 
1984 01 38.52  26.61  32.56 
1984 02 40.20  26.65  33.42 
1984 03 36.16  25.53  30.84 
1984 04 36.23  23.48  29.85 
1984 05 32.91  21.61  27.26 
1984 06 29.28  16.14  22.71 
1984 09 31.43  18.21  24.82 
1984 10 38.96  22.67  30.81 
1984 11 39.90  23.72  31.81 
1984 12 37.80  25.17  31.48 
1985 01 41.38  26.85  34.11 
1985 02 39.02  26.92  32.97 
1985 03 39.55  27.14  33.34 
1985 04 36.41  24.82  30.61 
1985 05 32.37  20.14  26.25 
1985 06 28.48  16.36  22.42 
1985 07 29.35  15.46  22.40 
1985 08 31.30  17.34  24.32 
1985 09 34.97  19.10  27.03 
1985 10 35.11  20.09  27.60 
1985 11 40.39  24.59  32.48 
1985 12 41.13  24.57  32.84 
1986 01 39.74  27.09  33.41 
1986 02 39.41  26.51  32.96 
1986 03 40.83  27.37  34.10 
1986 04 37.91  24.94  31.43 
1986 05 32.54  19.66  26.10 
1986 06 27.96  18.33  23.14 
1986 07 24.29  14.11  19.20 
1986 08 28.05 -99.99 -99.99 
1986 09 32.34 -99.99 -99.99 
1986 10 33.86  19.09  26.47 
1986 11 40.65  23.80  32.22 
1986 12 41.82  25.05  33.43 
1987 01 38.40  26.51  32.45 
1987 02 36.62  26.25  31.43 
1987 03 38.66  25.94  32.30 
1987 04 38.30  24.54  31.42 
1987 05 30.50  19.58  25.04 
1987 06 29.33  17.74  23.53 
1987 07 29.41  16.12  22.77 
1987 08 30.46  16.28  23.37 
1987 09 34.91  19.07  26.99 
1987 10 36.50  20.49  28.49 
1987 11 37.88  22.57  30.22 
1987 12 39.88  25.44  32.66 
1988 01 40.97  26.86  33.91 
1988 02 40.98  26.62  33.80 
1988 03 39.28  26.85  33.06 
1988 04 36.12  24.46  30.29 
1988 05 29.11  20.68  24.89 
1988 06 29.90  17.59  23.74 
1988 07 29.84  16.18  23.01 
1988 08 30.15  16.36  23.25 
1988 09 35.12  18.96  27.04 
1988 10 40.28  23.76  32.02 
1988 11 38.06  23.95  31.00 
1988 12 37.29  24.93  31.11 
1989 01 39.74  26.74  33.24 
1989 02 39.09  26.65  32.87 
1989 03 36.80  25.94  31.37 
1989 04 35.46  23.90  29.68 
1989 05 31.83  19.52  25.67 
1989 06 25.90  15.93  20.91 
1989 07 27.24  15.13  21.18 
1989 08 29.89  15.75  22.82 
1989 09 35.93  19.62  27.78 
1989 10 38.18  20.94  29.56 
1989 11 39.43  24.25  31.84 
1989 12 41.08  24.99  33.03 
1990 01 38.12  26.93  32.52 
1990 02 38.88  26.18  32.53 
1990 03 40.11  26.42  33.26 
1990 04 38.23  23.93  31.08 
1990 05 32.96  20.18  26.57 
1990 06 28.35  17.03  22.69 
1990 07 27.48  15.05  21.26 
1990 08 31.15  17.08  24.11 
1990 09 34.39  19.68  27.03 
1990 10 38.16  21.37  29.76 
1990 11 42.66  26.68  34.66 
1990 12 41.03  26.17  33.59 
1991 01 40.79  27.72  34.25 
1991 02 38.96  27.27  33.11 
1991 03 39.79  27.17  33.48 
1991 04 37.07  24.41  30.74 
1991 05 33.16  20.28  26.72 
1991 06 28.30  18.32  23.31 
1991 07 28.57  16.36  22.46 
1991 08 31.41  17.78  24.59 
1991 09 33.77  18.18  25.97 
1991 10 40.07  24.40  32.23 
1991 11 37.79  22.65  30.22 
1991 12 41.35  25.08  33.21 
1992 01 40.30  25.56  32.93 
1992 02 39.90  26.25  33.07 
1992 03 39.52  26.33  32.92 
1992 04 35.72  25.40  30.56 
