1971 01 30.16  22.22  26.18 
1971 02 29.96  22.24  26.09 
1971 03 30.15  22.42  26.28 
1971 04 29.94  22.31  26.12 
1971 05 30.26  22.40  26.33 
1971 06 30.52  22.34  26.43 
1971 07 31.10  22.39  26.74 
1971 08 31.22  22.28  26.75 
1971 09 31.97  21.93  26.95 
1971 12 31.96  22.31  27.13 
1972 01 29.21  20.96  25.08 
1972 02 29.60  20.89  25.24 
1972 03 29.96  22.49  26.22 
1972 04 29.86  21.22  25.54 
1972 05 31.08  22.66  26.87 
1972 06 31.34  22.91  27.12 
1972 07 31.85  23.07  27.46 
1972 08 32.25  22.62  27.43 
1972 09 32.81  23.15  27.98 
1972 10 32.83  23.34  28.08 
1972 11 33.39  23.68  28.53 
1972 12 33.25  23.66  28.45 
1973 01 31.95  23.36  27.65 
1973 02 31.72  23.59  27.65 
1973 03 32.45  23.48  27.96 
1973 04 31.85  23.15  27.50 
1973 05 31.68  23.71  27.69 
1973 06 31.77  23.56  27.66 
1973 07 31.43  23.29  27.36 
1973 08 32.65  23.51  28.08 
1973 09 32.07  23.26  27.66 
1974 01 30.02  22.39  26.20 
1974 02 30.02  22.36  26.19 
1974 03 30.20  22.27  26.23 
1974 04 30.28  22.86  26.57 
1975 12 30.73  22.65  26.68 
1976 01 29.54  22.14  25.84 
1976 02 30.26  22.47  26.36 
1976 03 29.85  22.71  26.28 
1976 04 30.09  22.98  26.53 
1976 05 30.62  23.52  27.07 
1976 06 30.55  22.77  26.66 
1976 07 31.12  22.50  26.81 
1976 08 32.47  22.77  27.62 
1976 09 33.93  22.88  28.41 
1976 11 32.98  23.39  28.18 
1977 01 30.73  23.28  27.00 
1977 02 29.64  22.75  26.19 
1977 03 28.97  22.78  25.87 
1977 04 30.39  23.56  26.97 
1977 06 30.72  22.77  26.74 
1977 07 31.44  22.77  27.10 
1977 08 33.24  23.15  28.19 
1977 09 32.64  23.52  28.08 
1977 10 31.81  23.60  27.70 
1977 11 32.57  23.66  28.11 
1977 12 29.98  23.40  26.68 
1978 01 29.92  23.41  26.66 
1978 02 30.03  23.54  26.78 
1978 03 30.98  23.07  27.02 
1978 04 31.03  20.50  25.76 
1978 05 30.75  21.60  26.17 
1978 06 31.37  23.03  27.20 
1978 07 31.25  22.65  26.95 
1978 08 31.49  22.05  26.77 
1978 09 32.14  22.98  27.56 
1978 10 32.32  23.03  27.67 
1978 11 32.73  23.70  28.21 
1978 12 30.73  23.48  27.10 
1979 01 30.85  23.53  27.19 
1979 02 30.19  23.18  26.68 
1979 03 30.72  23.42  27.07 
1979 04 30.77  23.17  26.97 
1979 05 30.89  23.39  27.14 
1979 06 31.12  23.36  27.24 
1979 08 32.79  23.34  28.06 
1980 01 30.88  21.60  26.24 
1980 02 31.45  21.57  26.51 
1980 03 30.58  22.00  26.29 
1980 04 30.58  21.85  26.21 
1980 05 31.70  22.63  27.16 
1980 06 31.33  21.82  26.57 
1980 07 31.31  21.51  26.41 
1980 08 32.18  22.16  27.17 
1980 09 32.46  22.11  27.28 
1980 11 31.42  21.70  26.56 
1980 12 31.54  21.96  26.75 
1981 01 30.15  22.15  26.15 
1981 02 30.54  21.67  26.10 
1981 03 31.25  21.85  26.55 
1981 04 31.40  21.45  26.42 
1981 05 31.14  21.24  26.18 
1981 06 31.40  20.76  26.08 
1981 08 32.16  20.45  26.31 
1981 09 31.86  20.65  26.25 
1981 10 32.97  21.08  27.02 
1981 11 32.12  21.10  26.61 
1981 12 31.44  21.32  26.38 
1982 01 30.29  20.70  25.49 
1982 02 29.85  20.58  25.21 
1982 04 30.42  21.28  25.85 
1982 05 30.86  21.19  26.02 
1982 06 31.28  20.90  26.09 
1982 07 31.91  20.82  26.36 
1982 08 32.49  20.60  26.54 
1982 09 33.63  21.59  27.61 
1982 12 31.65  21.67  26.66 
1983 01 33.91  22.62  28.26 
1983 02 33.41  22.60  28.00 
1983 03 32.15  22.78  27.46 
1983 04 31.57  22.55  27.06 
1983 05 32.29  22.21  27.25 
1983 06 31.92  21.24  26.58 
1983 07 32.24  20.90  26.57 
1983 08 31.64  20.78  26.21 
1983 09 32.91  21.02  26.97 
1983 10 31.48  21.38  26.43 
1983 11 31.78  21.49  26.63 
1983 12 30.35  21.17  25.76 
1984 01 30.26  20.44  25.35 
1984 02 29.89  20.46  25.18 
1984 03 30.05  21.06  25.55 
1984 04 29.99  21.35  25.67 
1984 05 30.27  21.01  25.64 
1984 06 31.62  20.86  26.24 
1984 07 31.66  20.53  26.09 
1984 08 31.46  20.77  26.11 
1984 09 31.61  20.55  26.08 
1984 10 32.09  21.28  26.68 
1984 11 32.07  20.99  26.53 
1984 12 30.87  21.12  25.99 
1985 01 29.88  20.66  25.27 
1985 02 29.91  20.81  25.36 
1985 03 30.31  21.05  25.68 
1985 04 30.99  21.34  26.16 
1985 05 30.65  20.97  25.81 
1985 06 30.72  20.87  25.79 
1985 07 30.88  20.25  25.56 
1985 08 31.39  20.31  25.84 
1985 09 32.89  20.81  26.84 
1985 10 32.63  21.18  26.90 
1985 11 32.07  21.38  26.72 
1985 12 30.63  21.08  25.85 
1986 01 30.33  21.02  25.67 
1986 02 30.28  20.91  25.59 
1986 03 28.04  20.86  24.45 
1986 04 30.09  21.60  25.84 
1986 05 30.39  21.48  25.93 
1986 07 28.72  21.69  25.20 
1987 01 30.06  21.26  25.66 
1987 02 30.70  21.58  26.14 
1987 03 30.58  21.53  26.05 
1987 04 30.55  21.72  26.13 
1987 05 31.11  21.69  26.40 
1987 06 31.23  21.27  26.25 
1987 07 32.29  21.55  26.92 
1987 08 32.08  21.46  26.77 
1987 09 33.13  21.82  27.47 
1987 10 33.82  22.34  28.08 
1987 11 33.30  22.27  27.78 
1987 12 32.83  22.29  27.56 
1988 01 30.30  22.53  26.41 
1988 02 30.00  22.79  26.39 
1988 03 31.02  23.61  27.31 
1988 04 30.50 -99.99 -99.99 
1988 05 30.51 -99.99 -99.99 
1988 06 30.54 -99.99 -99.99 
1988 07 31.05 -99.99 -99.99 
1988 08 32.43 -99.99 -99.99 
1988 09 32.89 -99.99 -99.99 
1988 10 32.14 -99.99 -99.99 
1988 11 31.59 -99.99 -99.99 
1988 12 30.92 -99.99 -99.99 
1990 01 30.77 -99.99 -99.99 
1990 02 30.43 -99.99 -99.99 
1990 03 30.46 -99.99 -99.99 
1990 04 30.74 -99.99 -99.99 
1990 05 31.72 -99.99 -99.99 
1990 06 31.67 -99.99 -99.99 
1990 07 30.53 -99.99 -99.99 
1990 08 32.00 -99.99 -99.99 
1990 09 32.98 -99.99 -99.99 
1990 10 34.77 -99.99 -99.99 
1990 11 34.07 -99.99 -99.99 
1990 12 33.64 -99.99 -99.99 
1993 01 30.47  21.60  26.03 
1993 02 30.26  20.94  25.60 
1993 03 29.83  20.66  25.24 
1993 04 30.04  20.59  25.31 
1993 05 31.78  21.32  26.55 
1993 06 32.47  21.95  27.21 
1993 07 31.39  22.14  26.76 
1993 08 31.99  21.65  26.82 
1993 09 33.22  22.41  27.81 
1993 10 32.27  21.79  27.03 
1993 11 31.43 -99.99 -99.99 
1993 12 31.32 -99.99 -99.99 
1994 01 30.31 -99.99 -99.99 
1994 02 30.30 -99.99 -99.99 
1994 03 30.94  21.57  26.25 
1994 04 31.04 -99.99 -99.99 
1994 05 30.91  22.54  26.72 
1994 06 30.64 -99.99 -99.99 
1994 07 31.50 -99.99 -99.99 
1994 08 32.13  23.03  27.58 
1994 09 32.95  23.60  28.27 
1994 10 32.54 -99.99 -99.99 
1994 11 33.25  23.95  28.60 
1994 12 31.30  23.26  27.28 
1995 01 30.60  23.25  26.92 
1995 02 31.13  23.31  27.22 
1995 03 31.37  23.38  27.37 
1995 04 30.73  23.55  27.14 
1995 05 30.99  23.63  27.31 
1995 06 31.49  23.73  27.61 
1995 07 32.72  23.63  28.17 
1995 08 33.80  24.13  28.96 
1995 09 34.08  24.39  29.23 
1995 10 33.59  24.06  28.82 
1995 11 31.69  23.55  27.62 
1995 12 31.22  23.51  27.36 
1996 01 30.49  22.86  26.67 
1996 02 30.61  23.07  26.84 
1996 03 30.63  23.47  27.05 
1996 04 30.72  23.67  27.19 
1996 05 31.37  23.52  27.44 
1996 06 31.24  23.71  27.47 
1996 07 32.03  22.84  27.43 
1996 08 32.34  23.15  27.74 
1996 09 33.36  24.08  28.72 
1996 10 32.71  23.76  28.23 
1996 11 32.08 -99.99 -99.99 
1996 12 31.31 -99.99 -99.99 
1997 01 30.32  22.92  26.62 
1997 02 30.52  22.94  26.73 
1997 03 30.36  22.92  26.64 
1997 04 31.00  23.68  27.34 
1997 05 31.52  23.68  27.60 
1997 06 99.99  23.45 -99.99 
1997 07 33.43  23.20  28.31 
1997 08 32.86  23.54  28.20 
1997 09 35.36  24.43  29.89 
1997 10 35.79  24.47  30.13 
1997 11 33.80  24.22  29.00 
1997 12 33.50  24.45  28.98 
1998 01 32.20  23.48  27.84 
1998 02 32.49  24.27  28.38 
1998 03 31.87  23.76  27.81 
1998 04 31.82 -99.99 -99.99 
1998 05 31.80  24.67  28.23 
1998 06 32.53  24.19  28.36 
1998 07 32.58  24.13  28.35 
1998 08 33.66  24.53  29.09 
1998 09 33.89  24.34  29.11 
1998 10 32.99  24.18  28.58 
1998 11 31.99  24.07  28.03 
1998 12 32.90  24.33  28.61 
1999 01 30.89  23.23  27.06 
1999 02 30.63  23.31  26.97 
1999 03 30.92  23.57  27.24 
1999 04 30.88  23.74  27.31 
1999 05 30.60  23.70  27.15 
1999 06 31.69  23.77  27.73 
1999 07 32.73  23.43  28.08 
1999 08 33.59  23.07  28.33 
1999 09 33.63  23.39  28.51 
1999 10 33.84  22.19  28.02 
1999 11 33.48  22.55  28.01 
1999 12 32.49  22.19  27.34 
2000 01 31.69  21.64  26.66 
2000 02 31.22  21.58  26.40 
2000 03 31.17  21.09  26.13 
2000 04 31.08  21.18  26.13 
2000 05 31.92  21.71  26.81 
2000 06 32.61  21.22  26.91 
2000 07 31.83  20.54  26.18 
2000 08 33.52 -99.99 -99.99 
2000 09 33.63  22.95  28.29 
2000 10 33.96  23.39  28.67 
2000 11 33.53  22.95  28.24 
2000 12 33.50  23.20  28.35 
2001 01 30.40  22.25  26.32 
2001 02 31.11  22.42  26.76 
2001 03 31.43  22.51  26.97 
2001 04 31.61  22.61  27.11 
2001 05 32.62  23.41  28.01 
2001 06 31.02  21.77  26.39 
2001 07 32.38  22.47  27.42 
2001 08 34.23  22.63  28.43 
2001 09 34.13  22.92  28.52 
2001 10 35.48  23.53  29.50 
2001 11 34.86  26.63  30.74 
2001 12 33.16  24.08  28.62 
2002 01 31.84  22.81  27.32 
2002 02 31.60  23.24  27.42 
2002 03 31.65  22.82  27.23 
2002 04 31.94  22.96  27.45 
2002 05 32.59  23.55  28.07 
2002 06 32.84  22.58  27.71 
2002 07 34.34  22.80  28.57 
2002 08 34.57  22.56  28.56 
2002 09 35.66  22.85  29.25 
2002 10 35.00  23.29  29.15 
2002 11 34.74  22.92  28.83 
2002 12 33.12  23.39  28.25 
2003 01 33.71  24.30  29.00 
2003 02 31.95  23.91  27.93 
2003 03 32.50  23.73  28.12 
2003 04 33.16  23.83  28.49 
2003 05 33.32  24.06  28.68 
2003 06 33.98  24.06  29.02 
2003 07 34.59  23.57  29.08 
2003 08 34.50  23.52  29.01 
2003 10 35.32 -99.99 -99.99 
2003 11 34.52 -99.99 -99.99 
2003 12 33.66 -99.99 -99.99 
2004 01 32.65  24.27  28.46 
2004 02 31.58  23.86  27.72 
2004 03 31.24  23.90  27.57 
2004 04 32.50  23.92  28.21 
2004 05 32.68  23.77  28.23 
2004 06 32.59  23.50  28.04 
2004 07 33.28  23.25  28.26 
2004 08 33.80  23.17  28.48 
2004 09 33.66  23.64  28.65 
2004 10 34.21  24.08  29.14 
2004 11 34.68  24.32  29.50 
2004 12 33.50  23.98  28.74 
2005 01 33.66 -99.99 -99.99 
2005 02 31.48 -99.99 -99.99 
2005 03 31.35 -99.99 -99.99 
2005 04 31.47  26.07  28.77 
2005 05 31.63  25.71  28.66 
2005 06 32.07  24.81  28.43 
2005 07 31.95  23.54  27.74 
2005 08 33.47  23.97  28.72 
2005 09 34.25  24.26  29.25 
2005 10 34.43  24.67  29.55 
2005 11 31.90  24.06  27.98 
2005 12 30.89  23.29  27.09 
2006 01 30.79  23.10  26.94 
2006 02 30.08  23.21  26.64 
2006 03 30.51  23.24  26.87 
2006 04 30.65  23.42  27.03 
2006 05 29.96  23.38  26.66 
2006 06 31.67  23.50  27.58 
2006 07 32.25  23.43  27.84 
2006 08 33.81  23.45  28.63 
2006 09 34.49  23.68  29.08 
2006 10 34.78  24.17  29.47 
2006 11 32.31  23.52  27.91 
2006 12 32.43  24.09  28.26 
2007 01 30.92  23.21  27.06 
2007 02 32.13  23.80  27.96 
2007 03 30.40  23.03  26.71 
2007 04 30.77 -99.99 -99.99 
2007 05 31.72  23.93  27.82 
2007 06 32.27  23.35  27.81 
2007 07 32.91  23.35  28.13 
2007 08 32.83  23.48  28.15 
2007 09 33.25  23.66  28.46 
2007 10 33.64  23.78  28.71 
2007 11 33.89  23.70  28.79 
2007 12 31.78  23.15  27.46 
2008 01 29.67  22.49  26.08 
2008 02 30.51  22.81  26.66 
2008 03 30.12  22.31  26.21 
2008 04 30.93  22.61  26.77 
2008 05 30.83  22.91  26.87 
2008 06 31.36  23.26  27.31 
2008 07 32.80  23.37  28.08 
2008 08 33.20  23.83  28.51 
2008 09 33.22  23.61  28.41 
2008 10 32.86  23.82  28.34 
2008 11 32.54  23.80  28.17 
2008 12 32.13  23.86  27.99 
2009 01 31.27  23.56  27.41 
2009 02 30.60  23.19  26.89 
2009 03 31.39  23.32  27.35 
2009 04 31.55  23.87  27.71 
2009 05 30.77  23.58  27.17 
2009 06 31.26  23.46  27.36 
2009 07 32.90  24.59  28.74 
2009 08 34.34  25.32  29.83 
2009 09 35.86  25.48  30.67 
2009 10 35.96  25.24  30.59 
2009 11 35.53  25.59  30.56 
2009 12 32.54  24.74  28.64 
2010 01 31.57  24.16  27.86 
2010 02 31.67  24.46  28.06 
2010 03 33.41  24.86  29.14 
2010 04 31.72  24.46  28.09 
2010 05 32.50  24.92  28.71 
2010 06 33.08  24.40  28.74 
2010 07 33.07  24.00  28.53 
2010 08 34.34  24.45  29.40 
2010 09 35.02  24.79  29.90 
2010 10 35.16  24.64  29.90 
2010 11 33.90  24.29  29.09 
2010 12 32.02  23.48  27.75 
2011 01 31.24  23.38  27.31 
2011 02 30.86  22.94  26.90 
2011 03 30.97  23.22  27.09 
2011 04 31.19  23.15  27.17 
2011 05 31.32  23.96  27.64 
2011 06 32.86  23.99  28.42 
2011 07 33.25  23.68  28.46 
2011 08 33.87  23.85  28.86 
2011 09 33.37  24.45  28.91 
2011 10 32.70  24.25  28.47 
2011 11 32.46  24.09  28.27 
2011 12 31.89  24.37  28.13 
2012 01 30.05  23.67  26.86 
2012 02 29.60  23.57  26.58 
2012 03 30.14  23.83  26.98 
