1975 10 34.38  21.33  27.85 
1975 11 34.79  22.53  28.66 
1975 12 33.14 -99.99 -99.99 
1976 01 33.64 -99.99 -99.99 
1976 02 29.70 -99.99 -99.99 
1976 03 30.19  19.96  25.08 
1976 04 29.50  19.02  24.26 
1976 05 31.47  18.60  25.03 
1976 06 30.31  17.51  23.91 
1976 07 29.65  17.07  23.36 
1976 08 31.16  17.18  24.17 
1976 09 32.75  19.98  26.36 
1976 10 31.12  20.80  25.96 
1976 11 32.41  21.39  26.90 
1976 12 33.14  21.15  27.14 
1977 01 30.63  21.09  25.86 
1977 02 30.98  20.96  25.97 
1977 03 31.59  21.03  26.31 
1977 04 29.73  20.85  25.29 
1977 05 28.25  19.26  23.75 
1977 06 27.93  19.20  23.56 
1977 07 28.46  18.16  23.31 
1977 08 31.05  18.43  24.74 
1977 09 31.86  20.45  26.15 
1977 10 33.39  21.98  27.68 
1977 11 34.81  22.75  28.78 
1977 12 30.93  21.87  26.40 
1978 01 31.18  20.71  25.94 
1978 02 30.34  21.44  25.89 
1978 03 28.79  20.04  24.42 
1978 04 30.81  20.24  25.52 
1978 05 28.70  19.53  24.11 
1978 06 28.21  18.27  23.24 
1978 07 29.75 -99.99 -99.99 
1978 08 30.52  18.60  24.56 
1978 09 31.81  19.54  25.67 
1978 10 34.18  21.83  28.00 
1978 11 34.25  22.10  28.17 
1978 12 31.82  21.60  26.71 
1979 02 28.94  20.66  24.80 
1979 03 31.38  20.37  25.88 
1979 04 29.71  20.34  25.02 
1979 05 28.53  19.16  23.84 
1979 06 28.54  18.40  23.47 
1979 07 99.99  17.76 -99.99 
1979 11 34.04  23.01  28.52 
1980 01 29.95  20.75  25.35 
1980 02 28.95  20.57  24.76 
1980 03 28.81  19.79  24.30 
1980 04 31.61  19.41  25.51 
1980 06 29.81  18.70  24.25 
1980 07 30.31  17.96  24.14 
1980 08 31.38  18.61  24.99 
1980 09 33.14  20.57  26.85 
1980 10 33.54  21.03  27.28 
1980 11 32.80  22.49  27.64 
1980 12 32.62  21.96  27.29 
1981 01 32.24  21.51  26.87 
1981 02 33.47  21.49  27.48 
1981 03 31.58  21.91  26.74 
1981 04 28.40  19.91  24.15 
1981 05 29.30  17.92  23.61 
1981 06 29.71  17.69  23.70 
1981 07 28.95  16.44  22.69 
1981 08 30.41  17.82  24.11 
1981 09 31.52  18.95  25.23 
1981 10 34.97  21.96  28.46 
1981 11 35.06  22.99  29.02 
1982 01 31.92  21.64  26.78 
1982 02 32.16  21.77  26.96 
1982 03 30.78  21.10  25.94 
1982 05 30.28  19.73  25.00 
1982 06 30.55  19.34  24.94 
1982 07 29.71  18.71  24.21 
1982 08 30.34  19.60  24.97 
1983 01 32.84  22.51  27.68 
1983 02 30.53  21.35  25.94 
1983 03 33.32  22.25  27.78 
1983 04 32.03  21.03  26.53 
1983 05 32.80  21.17  26.98 
1983 06 31.48  19.50  25.49 
1983 07 31.30  19.17  25.23 
1983 08 31.12  19.58  25.35 
1983 09 33.70  21.19  27.44 
1983 10 33.98  22.24  28.11 
1983 11 35.36  23.56  29.46 
1983 12 34.38  23.72  29.05 
1985 01 29.56  21.46  25.50 
1985 02 28.72  20.37  24.54 
1985 03 29.36  20.85  25.10 
1985 04 28.09  20.55  24.32 
1985 05 27.97  19.62  23.79 
1985 06 27.15  18.62  22.88 
1985 07 27.05  17.73  22.39 
1985 08 29.95  17.73  23.84 
1985 09 32.24  19.68  25.96 
1985 10 34.50  21.60  28.05 
1985 11 33.71 -99.99 -99.99 
1985 12 29.29 -99.99 -99.99 
1990 01 30.04  19.62  24.83 
1993 11 33.99  23.01  28.50 
1993 12 34.74  24.11  29.42 
1994 01 31.55  22.67  27.11 
1994 02 30.26  21.83  26.04 
1994 03 30.34  21.25  25.79 
1994 05 31.36  20.73  26.04 
1994 06 30.17  20.50  25.33 
1994 07 29.54  19.37  24.45 
1994 08 30.79  19.26  25.02 
1994 09 31.60  20.24  25.92 
1994 10 34.02  21.86  27.94 
1994 11 34.68  22.90  28.79 
1995 01 32.45  21.81  27.13 
1995 02 30.80  21.42  26.11 
1995 03 31.06  21.78  26.42 
1995 04 29.43  21.14  25.28 
1995 05 29.90  20.82  25.36 
1995 06 28.12  19.42  23.77 
1995 07 29.00  19.08  24.04 
1995 08 30.87  19.14  25.00 
1995 09 32.23  19.91  26.07 
1995 10 34.90  21.48  28.19 
1995 11 33.30  22.51  27.90 
1995 12 34.36  22.76  28.56 
1996 01 32.23  22.22  27.22 
1996 02 31.72  21.73  26.72 
1996 03 30.59  21.91  26.25 
1996 04 28.85  21.26  25.05 
1996 05 28.65  19.45  24.05 
1996 06 28.69  18.53  23.61 
1996 07 29.42  18.06  23.74 
1996 08 30.17  18.75  24.46 
1996 09 32.74  20.04  26.39 
1996 10 34.55  22.48  28.51 
1996 11 32.79  22.41  27.60 
1996 12 33.16  21.70  27.43 
1997 01 30.86  21.57  26.21 
1997 02 31.60  20.85  26.22 
1997 03 30.76  21.96  26.36 
1997 04 28.90  20.88  24.89 
1997 05 27.59  19.71  23.65 
1997 06 30.13  18.04  24.08 
1997 07 28.96  18.49  23.72 
1997 08 30.49  18.84  24.66 
1997 09 34.89  20.48  27.68 
1997 10 35.18  22.62  28.90 
1997 11 34.61  22.90  28.75 
1997 12 34.90  23.25  29.07 
1998 01 30.84  22.14  26.49 
1998 02 32.98  22.53  27.75 
1998 03 33.61  22.75  28.18 
1998 04 35.18  23.58  29.38 
1998 05 33.16  22.33  27.75 
1998 06 30.70  20.89  25.79 
1998 07 30.31  20.48  25.39 
1998 08 31.74  19.92  25.83 
1998 09 33.14  20.78  26.96 
1998 10 35.25  22.64  28.94 
1998 11 35.13  23.99  29.56 
1998 12 33.97  23.28  28.62 
1999 01 31.43  22.06  26.74 
1999 02 32.13  22.19  27.16 
1999 03 29.34  21.27  25.30 
1999 04 29.79  20.46  25.13 
1999 05 30.47  19.79  25.13 
1999 06 30.74  18.87  24.81 
1999 07 29.89  18.31  24.09 
1999 08 30.45  19.20  24.83 
1999 09 32.34  20.14  26.24 
1999 10 32.47  20.62  26.54 
1999 11 31.73  21.33  26.53 
1999 12 31.82  21.82  26.82 
2000 02 30.81  21.00  25.90 
2000 03 30.59  20.95  25.77 
2000 04 30.59  21.22  25.90 
2000 05 31.29  20.49  25.89 
2000 06 29.97  20.26  25.11 
2000 07 30.23  19.54  24.88 
2000 08 31.71  19.95  25.83 
2000 09 32.54  21.15  26.84 
2000 10 34.24  22.14  28.19 
2000 11 33.66  22.37  28.01 
2000 12 32.43  22.22  27.32 
2001 01 32.28  21.33  26.80 
2001 02 30.77  21.85  26.31 
2001 03 30.28  21.07  25.67 
2001 04 30.95  20.74  25.84 
2001 05 32.82  21.23  27.02 
2001 06 30.30  20.57  25.43 
2001 07 30.21  19.90  25.05 
2001 08 30.01  19.18  24.59 
2001 09 33.08  20.70  26.89 
2001 10 34.40  22.31  28.35 
2001 11 35.46  23.18  29.32 
2001 12 33.43  22.93  28.18 
2002 01 28.88  21.32  25.09 
2002 02 31.18  20.98  26.08 
2002 03 32.18  21.69  26.93 
2002 04 31.07  21.23  26.15 
2002 05 31.65  21.12  26.38 
2002 06 30.02  20.19  25.10 
2002 07 30.58  19.32  24.95 
2002 08 31.09  19.20  25.14 
2002 09 33.53  21.20  27.36 
2002 10 34.59  21.62  28.11 
2002 11 35.25  22.80  29.02 
2002 12 34.28  23.27  28.77 
2003 01 32.90  22.55  27.72 
2003 02 31.57  21.99  26.78 
2003 03 31.47  21.56  26.51 
2003 04 31.23  21.00  26.11 
2003 05 31.22  20.71  25.96 
2003 06 30.89  20.29  25.59 
2003 07 29.95  18.67  24.31 
2003 08 32.04  20.07  26.05 
2003 09 33.02  20.49  26.75 
2003 10 34.03  21.92  27.97 
2003 11 34.81  23.01  28.91 
2003 12 35.55  23.95  29.75 
2004 02 29.45  21.36  25.40 
2004 03 30.65  21.31  25.98 
2004 04 32.25  21.50  26.87 
2004 05 30.80  20.76  25.78 
2004 06 29.13  19.29  24.21 
2004 07 29.55  19.29  24.42 
2004 08 31.11  19.57  25.34 
2004 09 31.96  20.29  26.12 
2004 10 34.50  22.37  28.43 
2004 11 34.80  22.82  28.81 
2004 12 34.66  23.36  29.01 
2005 01 32.09  22.61  27.35 
2005 02 32.00  22.35  27.18 
2005 03 31.63  22.35  26.99 
2005 04 30.71  21.56  26.13 
2005 05 29.02  20.83  24.92 
2005 07 29.28  18.82  24.05 
2005 08 30.66  19.28  24.97 
2005 09 33.18  20.67  26.92 
2005 10 34.95  21.96  28.45 
2005 11 34.88  22.93  28.90 
2005 12 31.42  21.71  26.56 
2006 01 33.79  22.09  27.94 
2006 02 31.88  22.17  27.02 
2006 03 30.79  21.81  26.30 
2006 04 29.01  21.60  25.30 
2006 06 28.60  19.12  23.86 
2006 07 28.69  18.42  23.55 
2006 08 31.20  18.73  24.96 
2006 09 33.27  20.20  26.74 
2006 10 34.84  22.25  28.54 
2006 11 34.89  22.88  28.88 
2007 01 35.68  23.94  29.81 
2007 02 30.34  21.80  26.07 
2007 03 29.15  21.11  25.13 
2007 04 31.60  20.94  26.27 
2007 05 31.04  20.42  25.73 
2007 06 28.40  19.34  23.87 
2007 07 30.14 -99.99 -99.99 
2007 09 31.46 -99.99 -99.99 
2007 10 33.98 -99.99 -99.99 
2007 11 35.16 -99.99 -99.99 
2007 12 34.32 -99.99 -99.99 
2008 01 33.43 -99.99 -99.99 
2008 02 30.93 -99.99 -99.99 
2008 03 29.90 -99.99 -99.99 
2008 04 28.92 -99.99 -99.99 
2008 05 28.23 -99.99 -99.99 
2008 06 28.75 -99.99 -99.99 
2008 07 28.26 -99.99 -99.99 
2008 08 30.63 -99.99 -99.99 
2008 10 33.98 -99.99 -99.99 
2008 11 35.86 -99.99 -99.99 
2008 12 33.54 -99.99 -99.99 
2009 01 33.03 -99.99 -99.99 
2009 02 30.71 -99.99 -99.99 
2009 03 30.79 -99.99 -99.99 
2009 04 29.24 -99.99 -99.99 
2009 05 27.68 -99.99 -99.99 
2009 06 28.11 -99.99 -99.99 
2009 07 29.78  19.48  24.63 
2009 08 31.22  20.16  25.68 
2009 09 34.20  21.13  27.66 
2009 10 34.53  22.80  28.66 
2009 11 35.12  23.01  29.06 
2009 12 33.11  22.82  27.96 
2010 01 30.61  21.41  26.01 
2010 02 33.12  22.73  27.92 
2010 03 34.04  23.10  28.57 
2010 04 30.33  22.20  26.26 
2010 05 31.84  21.13  26.48 
2010 06 29.50  20.41  24.95 
2010 07 29.76  19.68  24.72 
2010 08 30.49  19.58  25.03 
2010 09 32.05  20.20  26.12 
2010 10 34.41  22.43  28.42 
2010 11 35.31  23.24  29.27 
2010 12 31.65  22.32  26.98 
2011 01 31.40  21.48  26.43 
2011 02 31.55  22.10  26.82 
2011 03 31.00  21.70  26.35 
2011 04 30.52  21.61  26.06 
2011 05 28.23  20.56  24.39 
2011 06 29.18  19.20  24.19 
2011 07 29.36  18.87  24.12 
2011 08 31.51  19.02  25.26 
2011 09 31.58  20.00  25.79 
2011 10 33.63  22.09  27.86 
2011 11 32.84  22.46  27.65 
2011 12 34.00  22.83  28.41 
2012 01 33.00  22.84  27.92 
2012 02 31.86  22.04  26.95 
2012 03 33.52  22.31  27.91 
