1972 09 32.54  20.26  26.40 
1972 10 32.93  20.56  26.74 
1972 11 33.41  21.09  27.25 
1972 12 31.75  21.47  26.61 
1973 01 30.99  20.98  25.98 
1973 02 30.60  21.00  25.80 
1973 03 31.27  20.89  26.08 
1973 04 30.97  20.72  25.84 
1973 05 31.81  20.06  25.93 
1973 06 31.69  19.03  25.36 
1973 07 31.71  17.66  24.68 
1973 08 32.61  17.28  24.94 
1973 09 32.53  18.18  25.35 
1973 10 31.01  18.71  24.86 
1973 11 31.66  18.96  25.31 
1973 12 30.15  18.07  24.11 
1974 01 29.77  17.79  23.78 
1974 02 29.05  17.89  23.47 
1974 03 28.90  18.33  23.61 
1974 04 30.34  18.39  24.36 
1974 05 30.20  17.43  23.81 
1974 06 31.48  15.12  23.30 
1974 07 32.22  12.55  22.38 
1974 08 33.15  13.45  23.30 
1974 09 32.15  15.27  23.71 
1974 10 32.03  15.70  23.86 
1974 11 31.52  15.48  23.50 
1974 12 29.83  15.17  22.50 
1975 01 29.95  15.05  22.50 
1975 02 29.38  14.91  22.14 
1975 03 30.22  15.36  22.79 
1975 04 30.49  15.74  23.11 
1975 05 30.63  14.78  22.70 
1975 06 31.32  13.15  22.23 
1975 07 31.31  11.96  21.63 
1975 08 33.34  11.35  22.34 
1975 09 33.27  13.91  23.59 
1975 10 31.99  13.85  22.92 
1975 11 30.98  14.40  22.68 
1975 12 30.75  13.13  21.94 
1976 01 30.33  13.00  21.66 
1976 02 29.81  12.96  21.38 
1976 03 29.91  13.65  21.78 
1976 04 30.72  20.66  25.68 
1976 05 31.64  20.24  25.93 
1976 06 34.43  20.36  27.40 
1976 07 32.77  17.68  25.22 
1976 08 33.50  19.23  26.36 
1976 09 33.06  20.04  26.55 
1976 10 31.38  20.92  26.15 
1976 11 31.42  20.57  25.99 
1976 12 30.86  20.88  25.87 
1977 01 29.83  21.09  25.46 
1977 02 29.69  20.96  25.32 
1977 03 30.59  21.27  25.93 
1977 04 30.67  20.72  25.69 
1977 05 30.43  21.11  25.77 
1977 06 30.92  20.28  25.60 
1977 07 32.52  18.86  25.69 
1977 08 34.80  19.92  27.36 
1977 09 32.59  21.25  26.92 
1977 10 31.67  22.07  26.87 
1977 11 31.52  21.82  26.67 
1977 12 29.88  21.98  25.93 
1978 01 29.40  21.75  25.57 
1978 02 29.48  21.94  25.71 
1978 03 29.88  21.73  25.80 
1978 04 30.72  21.80  26.25 
1978 05 31.03  21.61  26.32 
1978 06 31.10  19.44  25.27 
1978 07 31.95  19.87  25.91 
1978 08 32.52  19.01  25.76 
1978 09 32.49  20.96  26.72 
1978 10 32.38  21.34  26.86 
1978 11 32.11  21.71  26.91 
1978 12 29.98  21.77  25.87 
1979 06 31.13  18.69  24.91 
1979 07 32.90  18.83  25.86 
1979 08 33.43  19.89  26.66 
1979 10 32.23  22.09  27.16 
1980 01 29.89  22.16  26.02 
1980 02 29.40  22.06  25.73 
1980 04 30.80  21.67  26.23 
1980 08 33.58  19.95  26.76 
1980 09 33.55  21.29  27.42 
1980 10 32.58  21.68  27.13 
1980 11 31.09  21.47  26.28 
1980 12 30.87  21.61  26.24 
1981 01 30.34  21.35  25.84 
1981 02 32.00  21.22  26.61 
1981 03 30.42  21.74  26.08 
1981 04 32.32  21.47  26.89 
1981 05 32.68  19.99  26.34 
1981 06 32.48  19.37  25.92 
1981 07 32.80  18.25  25.52 
1981 08 33.86  19.41  26.63 
1981 09 33.78  20.57  27.17 
1981 10 32.28  21.28  26.78 
1981 11 30.72  21.25  25.98 
1981 12 31.06  20.74  25.90 
1982 01 29.84  20.95  25.39 
1982 03 30.85  21.24  26.04 
1982 04 31.48  21.21  26.34 
1982 05 31.65  20.39  26.02 
1982 06 32.33  19.23  25.78 
1982 07 32.98  18.66  25.82 
1982 08 33.49  18.99  26.24 
1982 09 31.88  20.01  25.94 
1982 10 32.30  20.14  26.22 
1982 11 31.96  20.69  26.32 
1982 12 31.57  20.57  26.07 
1983 01 31.58  21.25  26.41 
1983 02 31.70  21.16  26.43 
1983 03 30.94  21.19  26.06 
1983 04 32.82  21.25  27.03 
1983 05 33.46  20.78  27.12 
1983 06 33.49  19.62  26.56 
1983 07 34.25  19.15  26.70 
1983 08 33.21  19.81  26.50 
1983 09 33.46  20.04  26.75 
1983 10 32.43  20.04  26.24 
1983 11 31.97  20.32  26.14 
1983 12 31.37  20.03  25.70 
1984 01 31.12  20.04  25.58 
1984 02 31.24  20.14  25.68 
1984 03 31.19  20.34  25.76 
1984 04 31.01  20.43  25.72 
1984 05 32.27  19.79  26.03 
1984 06 32.45  18.20  25.33 
1984 07 33.18  17.32  25.25 
1984 08 33.30  18.67  25.98 
1984 09 32.72  19.41  26.06 
1984 10 32.49  19.96  26.23 
1984 11 32.37  20.12  26.24 
1984 12 31.98  20.11  26.04 
1985 01 29.68  20.03  24.85 
1985 02 30.22  19.61  24.91 
1985 03 31.19  20.29  25.74 
1985 04 30.84  20.07  25.45 
1985 05 31.61  19.65  25.63 
1985 06 31.62  18.15  24.88 
1985 07 32.34  16.86  24.60 
1985 08 34.04  18.45  26.24 
1985 09 33.45  19.35  26.40 
1985 10 31.83  19.90  25.86 
1985 11 31.63  19.75  25.68 
1985 12 30.35  19.68  25.01 
1986 01 31.05  19.59  25.32 
1986 02 30.76  19.60  25.18 
1986 03 30.57  19.59  25.08 
1986 04 31.07  19.89  25.48 
1986 05 32.39  19.41  25.90 
1986 06 32.37  17.90  25.13 
1986 07 32.36  18.79  25.57 
1986 08 33.34  18.49  25.91 
1986 09 32.56  18.70  25.63 
1986 10 31.76  19.57  25.66 
1986 11 32.25  19.54  25.90 
1986 12 31.80  19.03  25.41 
1987 01 31.61  19.69  25.65 
1987 02 32.13  19.62  25.87 
1987 03 31.33  19.39  25.36 
1987 04 32.48  19.54  26.01 
1987 05 33.11  19.57  26.34 
1987 06 33.61  18.69  26.15 
1987 07 34.09  17.90  25.99 
1987 08 32.96  19.10  26.03 
1987 09 33.02  19.76  26.39 
1987 10 33.04  19.79  26.41 
1987 11 31.58  19.91  25.74 
1987 12 32.08  20.26  26.17 
1988 01 32.34  19.65  25.99 
1988 02 31.62  19.77  25.69 
1988 03 31.75  19.92  25.83 
1988 04 31.73  19.71  25.72 
1988 05 32.56  19.09  25.82 
1988 06 32.11  17.45  24.78 
1988 07 33.37  16.04  24.70 
1988 08 33.93  16.12  25.03 
1988 09 34.43  19.20  26.82 
1988 10 32.64  18.81  25.72 
1988 11 32.79  19.01  25.90 
1988 12 31.55  18.74  25.14 
1989 01 31.30  18.53  24.91 
1989 02 31.18  18.54  24.86 
1989 03 30.84  18.41  24.62 
1989 04 31.48  18.73  25.10 
1989 05 31.74  18.50  25.12 
1989 06 32.16  17.92  25.04 
1989 07 32.73  16.69  24.71 
1989 08 33.49  17.61  25.55 
1989 09 33.20  17.87  25.53 
1989 10 32.40  18.65  25.52 
1989 11 32.75  19.11  25.93 
1989 12 30.33  18.71  24.52 
1990 01 32.00  18.73  25.37 
1990 02 31.04  18.85  24.94 
1990 03 31.87  18.78  25.32 
1990 04 32.23  19.02  25.62 
1990 05 32.75  18.70  25.72 
1990 06 33.56  17.43  25.49 
1990 07 32.71  17.96  25.34 
1990 08 33.93  17.75  25.84 
1990 09 33.05  18.15  25.59 
1990 10 33.27  18.26  25.76 
1990 11 32.93  18.54  25.73 
1990 12 32.07  18.48  25.27 
1991 01 31.44  18.66  25.05 
1991 02 32.20  18.73  25.46 
1991 03 31.96  18.87  25.41 
1991 04 32.24  18.61  25.42 
1991 05 32.73  18.57  25.65 
1991 06 33.39  17.36  25.37 
1991 07 33.18  15.03  24.10 
1991 08 33.90  15.74  24.82 
1991 09 33.23  18.69  25.96 
1991 10 33.15  17.95  25.55 
1991 11 32.14  18.20  25.17 
1991 12 31.15  18.27  24.71 
1992 01 31.24  18.18  24.71 
1992 02 31.03  18.21  24.62 
1992 03 31.84  18.57  25.20 
1992 04 32.55  18.66  25.60 
1992 05 32.90  17.90  25.40 
1992 06 33.09  17.26  25.18 
1992 07 33.55  15.72  24.63 
1992 08 33.63  16.79  25.21 
1992 09 32.99  17.77  25.38 
1992 10 33.07  18.42  25.74 
1992 11 31.79  18.35  25.07 
1992 12 30.11  17.79  23.95 
1993 01 31.37  17.89  24.63 
1993 02 30.38  17.62  24.00 
1993 03 31.76  17.95  24.85 
1993 04 31.60  17.73  24.66 
1993 05 32.32  18.01  25.16 
1993 06 32.59  16.52  24.55 
1993 07 33.50  16.45  24.98 
1993 08 33.68  17.43  25.56 
1993 09 33.68  17.76  25.72 
1993 10 32.82  17.90  25.36 
1993 11 32.49  18.10  25.29 
1993 12 31.47  18.03  24.75 
1994 01 30.60  17.86  24.23 
1994 02 30.98  17.74  24.36 
1994 03 30.72  17.74  24.23 
1994 04 31.48  18.12  24.80 
1994 05 32.13  17.95  25.04 
1994 06 31.98  17.18  24.58 
1994 07 32.59  15.61  24.10 
1994 08 33.75  16.20  24.97 
1994 09 33.87  17.81  25.84 
1994 10 32.88  17.86  25.37 
1994 11 32.59  17.89  25.24 
1994 12 31.15  17.95  24.55 
1995 01 30.77  17.68  24.22 
1995 02 29.86  17.35  23.60 
1995 03 31.53  17.78  24.65 
1995 04 32.45 -99.99 -99.99 
1995 05 32.16  22.40  27.28 
1995 06 33.58  21.70  27.64 
1995 07 34.22  21.33  27.77 
1995 08 35.50  22.47  28.98 
1995 09 35.23  23.11  29.17 
1995 10 34.24  23.21  28.72 
1995 11 33.36  23.57  28.46 
1995 12 32.14 -99.99 -99.99 
1996 01 32.33 -99.99 -99.99 
1996 02 32.15 -99.99 -99.99 
1996 05 33.00  22.62  27.81 
1996 07 34.75  19.62  27.18 
1996 08 34.98  21.41  28.19 
1996 09 34.84  22.53  28.68 
1996 10 33.53  22.11  27.82 
1996 11 32.25  22.65  27.45 
1996 12 32.66  22.38  27.52 
2003 12 30.95 -99.99 -99.99 
2004 01 29.85 -99.99 -99.99 
2004 02 28.92 -99.99 -99.99 
2004 03 29.82 -99.99 -99.99 
2004 04 30.98 -99.99 -99.99 
2004 05 31.67 -99.99 -99.99 
2004 06 31.86 -99.99 -99.99 
2004 08 32.41 -99.99 -99.99 
2004 09 32.88 -99.99 -99.99 
2004 10 31.56 -99.99 -99.99 
2004 11 31.29 -99.99 -99.99 
2005 02 30.31  23.22  26.76 
2006 05 30.53 -99.99 -99.99 
2006 06 32.06  21.26  26.66 
2006 07 33.66  20.78  27.22 
2006 08 35.09  21.20  28.14 
2006 09 33.89  23.04  28.46 
2006 10 32.95  23.64  28.29 
2006 11 31.43  23.38  27.40 
2006 12 30.95  23.48  27.21 
2007 01 31.33  23.82  27.57 
2007 02 29.02  23.03  26.02 
2007 03 30.21  22.98  26.59 
2007 04 31.30  23.27  27.28 
2007 05 32.32  23.17  27.74 
2007 06 32.73  21.24  26.98 
2007 09 33.36  22.58  27.97 
2007 10 32.16  22.91  27.54 
2007 11 31.64  22.97  27.30 
2007 12 30.99  22.72  26.85 
2008 01 29.32  22.41  25.86 
2008 02 29.78  22.32  26.05 
2008 03 29.80  22.79  26.29 
2008 04 30.41  22.88  26.64 
2008 05 30.61  22.42  26.51 
2008 06 32.55  20.45  26.50 
2008 07 34.59  18.95  26.77 
2008 08 36.00  21.14  28.57 
2008 09 34.00  22.69  28.34 
2008 10 32.68  22.58  27.63 
2008 11 31.23  23.11  27.17 
2008 12 30.45  22.51  26.48 
2009 01 30.60  22.32  26.46 
2009 02 29.81  21.51  25.66 
2009 03 30.49  21.86  26.17 
2009 04 30.03  21.74  25.88 
2009 05 29.87  21.43  25.65 
2009 06 31.74  19.91  25.82 
2009 07 33.71  19.07  26.39 
2009 08 35.20  19.20  27.20 
2009 09 33.34  20.88  27.11 
2009 10 32.12  21.06  26.59 
2009 11 32.29  21.12  26.70 
2009 12 30.63  20.57  25.59 
2010 01 30.60  20.80  25.70 
2010 02 31.51  21.07  26.29 
2010 03 31.80  20.92  26.36 
2010 04 31.24  21.09  26.16 
2010 05 32.64  20.96  26.80 
2010 06 32.71  18.91  25.81 
2010 07 34.80  17.68  26.24 
2010 08 35.93  16.41  26.17 
2010 09 35.58  18.83  27.20 
2010 10 33.59  19.07  26.33 
2010 11 32.70  19.14  25.92 
2010 12 30.91  18.91  24.91 
2011 02 30.03  18.83  24.43 
2011 03 30.53  19.40  24.96 
2011 04 30.70  19.48  25.09 
2011 05 31.09  19.62  25.35 
2011 06 32.56  18.14  25.35 
2011 07 33.54  16.44  24.99 
2011 08 34.55  18.31  26.43 
2011 10 32.18  19.12  25.65 
2011 11 31.13  19.78  25.45 
2011 12 99.99  19.87 -99.99 
2012 01 99.99  19.28 -99.99 
2012 02 99.99  19.20 -99.99 
2012 03 99.99  18.66 -99.99 
