1980 02 29.41  19.53  24.47 
1980 03 29.97  17.98  23.97 
1980 05 99.99  21.43 -99.99 
1980 06 99.99  21.69 -99.99 
1980 07 99.99  21.30 -99.99 
1980 09 32.57  24.34  28.45 
1980 10 32.65  23.77  28.21 
1980 11 31.14  24.12  27.63 
1980 12 29.13  23.25  26.18 
1981 01 29.38  22.33  25.85 
1981 05 30.61 -99.99 -99.99 
1981 06 31.37 -99.99 -99.99 
1981 07 31.59 -99.99 -99.99 
1981 08 32.02  24.10  28.06 
1981 09 32.16 -99.99 -99.99 
1981 10 31.93 -99.99 -99.99 
1981 11 30.85 -99.99 -99.99 
1981 12 99.99  23.96 -99.99 
1982 01 99.99  21.65 -99.99 
1982 02 99.99  20.60 -99.99 
1982 03 99.99  20.71 -99.99 
1982 04 99.99  22.16 -99.99 
1982 05 29.84  21.99  25.91 
1982 06 31.62  24.37  27.99 
1982 07 31.60  24.09  27.84 
1982 08 31.71  24.06  27.88 
1982 09 31.63  23.82  27.72 
1982 10 31.60  23.24  27.42 
1982 11 30.01  22.61  26.31 
1982 12 28.51  21.45  24.98 
1983 01 29.92  21.14  25.53 
1983 02 29.93  20.94  25.43 
1983 03 30.97  23.02  26.99 
1983 04 30.78  21.78  26.28 
1983 05 31.63  23.53  27.58 
1983 06 32.96  24.68  28.82 
1983 07 33.00  24.45  28.73 
1983 09 32.54  23.97  28.25 
1983 10 32.09  23.03  27.56 
1983 11 30.75  22.15  26.45 
1984 01 29.26  20.26  24.76 
1984 02 29.21  20.27  24.74 
1984 03 30.51 -99.99 -99.99 
1984 04 31.01  22.79  26.90 
1984 05 30.85  22.65  26.75 
1984 06 31.43  23.45  27.44 
1984 07 31.24  23.40  27.32 
1984 08 31.90 -99.99 -99.99 
1984 09 31.31  22.58  26.94 
1984 10 30.90  22.25  26.57 
1984 11 29.23  22.36  25.79 
1984 12 27.68  21.78  24.73 
1985 02 28.74  20.25  24.49 
1985 03 28.64  20.04  24.34 
1985 04 29.34  20.59  24.96 
1985 05 30.93  22.26  26.59 
1985 07 32.59  23.62  28.10 
1985 08 32.39  23.44  27.91 
1985 10 30.18  21.81  25.99 
1985 11 29.06  21.92  25.49 
1986 01 28.65  18.93  23.79 
1986 02 28.32  19.06  23.68 
1986 03 29.94  19.98  24.96 
1986 04 30.08  21.29  25.68 
1986 05 30.71  21.49  26.09 
1986 06 31.30  22.50  26.90 
1986 07 31.46  22.35  26.90 
1986 08 32.09  22.58  27.33 
1986 09 32.04  22.68  27.36 
1986 10 31.87  22.11  26.99 
1986 11 29.74  21.70  25.72 
1986 12 29.31  20.40  24.85 
1987 02 29.17  19.52  24.34 
1987 03 29.15  20.01  24.58 
1987 04 30.87  22.18  26.52 
1987 05 31.30  22.50  26.90 
1987 07 32.09  24.78  28.43 
1987 08 33.05  25.11  29.08 
1987 09 32.50  24.54  28.52 
1987 12 29.66  23.31  26.48 
1988 02 28.63  21.16  24.89 
1988 03 29.36  21.01  25.18 
1988 04 30.78  22.54  26.66 
1988 05 32.05  23.88  27.96 
1988 06 32.91  24.66  28.79 
1988 07 32.73  24.31  28.52 
1988 08 31.43  23.57  27.50 
1988 10 31.53  23.23  27.38 
1988 11 30.40  22.89  26.64 
1989 01 28.65  20.73  24.68 
1989 04 29.52  21.02  25.27 
1989 05 32.14  21.84  26.99 
1989 06 31.98  23.02  27.50 
1989 09 32.41 -99.99 -99.99 
1989 10 33.24  18.09  25.66 
1989 11 30.54  22.03  26.28 
1990 01 29.12  20.16  24.64 
1990 02 28.32  19.59  23.95 
1990 03 29.75  19.25  24.50 
1990 04 31.67  22.26  26.96 
1990 05 32.66  22.72  27.68 
1990 06 99.99  23.01 -99.99 
1990 07 99.99  22.22 -99.99 
1990 08 33.56  23.13  28.34 
1990 09 33.09  23.35  28.22 
1990 10 31.53  22.81  27.17 
1990 11 30.98  22.24  26.61 
1990 12 30.09  20.55  25.32 
1991 01 29.46  20.11  24.78 
1991 02 29.77  18.86  24.31 
1991 03 29.76  20.98  25.37 
1991 04 30.92  19.69  25.30 
1991 05 31.27  22.01  26.64 
1991 06 33.21  24.19  28.70 
1991 07 32.41  23.97  28.18 
1991 08 32.66  23.69  28.18 
1991 09 32.16  23.48  27.82 
1991 10 31.83  23.09  27.46 
1991 11 29.96  22.51  26.23 
1991 12 28.16  20.99  24.57 
1992 01 28.36  21.19  24.77 
1992 02 29.55  21.20  25.37 
1992 03 29.53  21.09  25.31 
1992 07 32.43  23.85  28.14 
1992 09 31.12  23.27  27.19 
1992 12 28.48  21.92  25.20 
1993 01 28.38  19.87  24.12 
1993 02 28.24  20.15  24.19 
1993 03 29.34  21.15  25.24 
1993 04 30.91  21.15  26.03 
1993 05 30.51  22.83  26.67 
1993 06 32.24  22.93  27.58 
1993 07 32.54  22.90  27.72 
1993 08 32.74  22.70  27.72 
1993 09 32.05  23.04  27.54 
1993 10 32.02  23.14  27.58 
1993 11 31.12  22.41  26.76 
1993 12 29.72  20.96  25.34 
1994 01 29.34  20.67  25.00 
1994 02 29.35  20.58  24.96 
1994 03 30.24  20.73  25.48 
1994 05 32.25  23.23  27.74 
1994 06 32.57  22.94  27.75 
1994 07 32.39  22.65  27.52 
1994 08 32.88  23.33  28.10 
1994 10 32.41  22.19  27.30 
1994 11 30.97  22.34  26.65 
1994 12 29.54  21.13  25.33 
1995 01 99.99  18.96 -99.99 
1995 02 30.05  19.87  24.96 
1995 03 28.75  19.90  24.32 
1995 04 30.81  21.47  26.14 
1995 05 32.41  22.87  27.64 
1995 06 33.07  23.10  28.08 
1995 07 33.25  23.52  28.38 
1995 08 32.57  24.02  28.29 
1995 11 30.82  23.39  27.10 
1996 02 30.26  20.69  25.47 
1996 03 99.99  21.69 -99.99 
1996 04 32.27  22.42  27.34 
1996 05 34.36 -99.99 -99.99 
1996 07 33.47  23.12  28.29 
1996 08 36.21  22.08  29.14 
1996 10 32.29  18.46  25.38 
1997 01 32.49  19.78  26.13 
1997 02 29.40 -99.99 -99.99 
1997 03 29.77 -99.99 -99.99 
1997 04 30.51  21.11  25.81 
1997 05 33.02 -99.99 -99.99 
1997 06 33.63 -99.99 -99.99 
1997 07 34.59 -99.99 -99.99 
1997 08 34.36  23.33  28.84 
1997 09 35.16  22.47  28.81 
1997 10 35.18 -99.99 -99.99 
1997 12 31.88 -99.99 -99.99 
1998 01 31.80 -99.99 -99.99 
1998 02 31.23 -99.99 -99.99 
1998 03 31.82 -99.99 -99.99 
1998 04 31.30  22.75  27.02 
1998 06 35.46  23.52  29.49 
1998 07 35.45 -99.99 -99.99 
1998 08 35.36  23.05  29.20 
1999 01 31.76  21.78  26.77 
1999 02 31.14  20.15  25.64 
1999 03 31.68  19.37  25.52 
1999 04 32.91  19.70  26.31 
1999 05 34.29  20.45  27.37 
1999 06 34.91  22.30  28.60 
1999 07 34.66  21.54  28.10 
1999 08 35.59  22.35  28.97 
1999 09 35.12  22.74  28.93 
1999 10 34.73  22.36  28.54 
1999 11 31.70  22.88  27.29 
2000 01 28.73  20.03  24.38 
2000 02 29.80  20.20  25.00 
2000 03 30.68  19.10  24.89 
2000 05 32.29 -99.99 -99.99 
2000 06 33.32  23.15  28.23 
2000 07 34.12  22.38  28.25 
2000 08 34.53  23.49  29.00 
2000 09 34.05  23.04  28.54 
2000 10 32.95  21.97  27.46 
2000 11 31.74  22.01  26.87 
2000 12 32.45 -99.99 -99.99 
2001 01 30.61 -99.99 -99.99 
2001 02 29.26  20.40  24.83 
2001 03 31.06  19.75  25.40 
2001 04 32.05  19.73  25.89 
2001 05 32.59  19.86  26.22 
2001 06 33.90  19.82  26.86 
2001 07 34.84  19.93  27.39 
2001 08 34.43  20.48  27.45 
2001 09 34.71  19.45  27.08 
2001 10 34.62  18.28  26.45 
2001 11 32.95  17.98  25.46 
2001 12 31.73  17.94  24.83 
2002 01 99.99  17.62 -99.99 
2002 02 99.99  17.36 -99.99 
2002 04 31.71  17.09  24.40 
2002 05 32.50  18.48  25.49 
2002 06 32.75  23.10  27.93 
2002 07 33.08  23.89  28.48 
2002 08 33.16  24.17  28.66 
2002 09 32.80  24.28  28.54 
2002 10 33.03  23.81  28.41 
2002 11 32.33  23.02  27.67 
2002 12 31.48  21.60  26.54 
2003 01 30.57  20.94  25.75 
2003 02 30.84  20.88  25.86 
2003 03 31.37  21.35  26.36 
2003 04 31.47  21.85  26.66 
2003 05 31.77  23.14  27.45 
2003 06 32.40  23.90  28.15 
2003 07 32.74  23.51  28.12 
2003 08 32.89  23.80  28.34 
2003 09 33.18  24.21  28.70 
2003 10 32.84  23.43  28.14 
2003 11 30.46  23.11  26.78 
2003 12 29.71  21.47  25.59 
2004 01 28.71  20.43  24.57 
2004 02 30.58  20.09  25.33 
2004 03 29.79  20.57  25.18 
2004 04 31.11 -99.99 -99.99 
2004 05 31.37 -99.99 -99.99 
2004 07 33.16  22.37  27.77 
2004 08 33.59  23.79  28.69 
2004 09 32.79  23.11  27.95 
2004 10 31.00  23.33  27.16 
2004 11 25.46  22.94  24.20 
2004 12 24.90  21.30  23.09 
2005 01 23.80  20.91  22.35 
2005 02 23.53  21.34  22.43 
2005 03 24.89  21.43  23.16 
2005 04 32.15  22.59  27.37 
2005 05 32.62 -99.99 -99.99 
2005 08 34.18  24.36  29.27 
2005 10 32.28  22.33  27.30 
2005 11 31.45  22.29  26.87 
2005 12 30.58  20.45  25.52 
2006 01 29.85  20.48  25.16 
2006 02 30.30  19.79  25.04 
2006 03 30.73  20.73  25.73 
2006 04 30.83  21.04  25.93 
2006 05 32.98  22.79  27.88 
2006 06 33.22  23.09  28.15 
2006 07 33.11 -99.99 -99.99 
2006 08 32.96  22.28  27.62 
2006 09 33.27  21.71  27.49 
2006 10 33.09  21.90  27.50 
2006 11 32.24  21.13  26.68 
2007 01 29.95  20.18  25.06 
2007 02 31.24  19.19  25.21 
2007 03 30.69  19.96  25.33 
2007 04 31.49  19.87  25.68 
2007 05 32.86  21.07  26.96 
2007 06 33.63  21.20  27.41 
2007 09 33.13  20.87  27.00 
2007 11 30.84  20.00  25.42 
2008 02 29.37  18.20  23.79 
2008 03 29.74  17.92  23.83 
2008 04 30.94  19.34  25.14 
2008 05 32.13  20.45  26.29 
2008 06 32.43  20.73  26.58 
2008 07 33.34  20.59  26.96 
2008 08 32.98  23.06  28.02 
2008 09 32.08  21.89  26.98 
2008 10 31.98  21.94  26.96 
2008 11 30.79  21.33  26.06 
2009 02 28.87  20.01  24.44 
2009 03 28.32 -99.99 -99.99 
2009 04 30.74  20.35  25.54 
2009 05 30.93  20.97  25.95 
