1979 01 30.23  20.94  25.58 
1979 02 30.32  21.18  25.75 
1979 03 32.83  21.12  26.97 
1980 01 31.44  20.56  26.00 
1983 01 32.32  20.56  26.43 
1983 02 32.34  20.12  26.23 
1983 03 32.79  21.57  27.18 
1983 04 36.16  20.19  28.18 
1983 05 37.75  19.19  28.47 
1983 06 37.11  18.95  28.03 
1983 07 36.93  17.74  27.33 
1983 08 36.87  19.46  28.16 
1983 09 38.34  20.35  29.34 
1983 10 37.09  20.45  28.77 
1983 11 34.16  21.20  27.68 
1983 12 32.37  20.72  26.54 
1984 01 32.08  18.20  25.14 
1984 02 31.86  17.82  24.84 
1984 03 30.16 -99.99 -99.99 
1984 04 30.69 -99.99 -99.99 
1984 05 32.99 -99.99 -99.99 
1984 06 33.99 -99.99 -99.99 
1984 07 34.49 -99.99 -99.99 
1984 08 36.74 -99.99 -99.99 
1984 09 36.40 -99.99 -99.99 
1984 10 36.09 -99.99 -99.99 
1984 11 35.22 -99.99 -99.99 
1984 12 34.46 -99.99 -99.99 
1985 01 30.21 -99.99 -99.99 
1985 02 30.84 -99.99 -99.99 
1985 03 31.46 -99.99 -99.99 
1985 04 30.72 -99.99 -99.99 
1985 05 31.37 -99.99 -99.99 
1985 06 30.46 -99.99 -99.99 
1985 07 32.07 -99.99 -99.99 
1985 08 34.55 -99.99 -99.99 
1985 09 35.31 -99.99 -99.99 
1985 10 33.38 -99.99 -99.99 
1985 11 32.37  19.21  25.79 
1985 12 29.13  18.35  23.74 
1993 01 32.93  18.73  25.83 
1993 02 32.59  19.68  26.14 
1993 11 35.79  20.14  27.96 
1993 12 33.41  19.40  26.41 
1994 01 31.78  19.01  25.39 
1994 02 30.24  19.27  24.75 
1994 03 31.13  18.91  25.02 
1994 04 32.49  19.10  25.79 
1995 01 32.37  18.54  25.45 
1995 02 30.26  19.11  24.68 
1995 03 31.80  18.79  25.29 
1995 04 31.58  19.27  25.42 
1995 05 31.90  19.43  25.66 
1995 06 32.29  16.07  24.18 
1995 08 35.71  16.43  26.07 
1995 09 37.48  18.75  28.11 
1995 10 36.89  18.75  27.82 
1995 11 33.41  19.12  26.27 
1995 12 30.89  18.19  24.54 
1996 01 31.31  18.54  24.93 
1996 02 31.56  18.35  24.95 
1996 03 30.46  18.56  24.50 
1996 04 30.51  18.10  24.30 
1996 05 32.12  16.62  24.37 
1996 06 33.18  14.38  23.78 
1996 07 34.21  13.22  23.71 
1996 08 35.86  15.75  25.80 
1996 09 37.34  17.87  27.61 
1996 10 35.06  18.31  26.68 
1996 11 32.03  19.24  25.63 
1996 12 33.91  17.48  25.70 
1997 01 29.88  18.06  23.97 
1997 02 33.28  17.95  25.62 
1997 03 30.84  19.45  25.14 
1997 04 31.91  18.42  25.16 
1997 05 31.47  18.23  24.84 
1997 06 33.34  16.01  24.67 
1997 07 33.61  14.72  24.16 
1997 08 35.59  17.45  26.52 
1997 09 37.59  21.27  29.43 
1997 10 35.98  22.32  29.15 
1997 11 35.95  21.09  28.52 
1997 12 32.77  21.83  27.30 
1998 01 31.94  21.54  26.74 
1998 02 33.82  22.04  27.93 
1998 03 99.99  22.52 -99.99 
1998 04 37.49  22.47  29.98 
1998 05 35.56  21.13  28.34 
1998 06 35.37  19.54  27.45 
1998 07 36.05  20.58  28.31 
1998 08 37.09  20.45  28.77 
1998 09 38.40  21.79  30.09 
1998 10 38.59  22.61  30.60 
1998 11 34.05  22.53  28.29 
1998 12 33.50  21.51  27.50 
1999 01 31.46  21.20  26.33 
1999 02 31.34  21.35  26.34 
1999 03 31.75  21.46  26.60 
1999 04 33.81  20.76  27.28 
1999 05 33.30  20.17  26.73 
1999 06 35.31  18.07  26.69 
1999 07 34.64  19.04  26.84 
1999 08 35.68  19.70  27.69 
1999 09 36.79  19.85  28.32 
1999 10 36.38  22.04  29.21 
1999 11 33.32  21.57  27.44 
1999 12 30.92  21.41  26.16 
2000 01 31.43  21.23  26.33 
2000 02 31.61  21.57  26.59 
2000 03 31.29  21.05  26.17 
2000 04 31.53  21.53  26.53 
2000 05 32.93  19.45  26.19 
2000 06 33.56  18.79  26.17 
2000 07 34.43  17.83  26.13 
2000 08 36.09  19.04  27.57 
2000 09 36.70  21.61  29.15 
2001 04 32.56  20.26  26.41 
2001 10 36.12  22.57  29.34 
2002 07 35.72 -99.99 -99.99 
2002 11 36.53  21.82  29.17 
2003 01 32.14  21.38  26.75 
2003 02 32.00  21.44  26.72 
2003 03 31.45  21.45  26.45 
2003 04 33.23  20.88  27.05 
2003 05 33.88  20.88  27.38 
2003 06 34.78  18.67  26.72 
2003 07 34.61  18.28  26.44 
2003 08 36.82  20.42  28.62 
2003 09 37.30  21.04  29.17 
2003 10 37.09  22.65  29.87 
2003 11 35.59  22.10  28.84 
2003 12 34.27  21.91  28.09 
2004 01 30.97  21.56  26.26 
2004 02 31.30  21.40  26.34 
2004 03 32.49  21.45  26.97 
2004 04 33.37  20.73  27.05 
2004 05 34.13  19.75  26.94 
2004 06 33.88  18.64  26.26 
2004 07 34.53  18.66  26.59 
2004 08 36.12  19.62  27.87 
2004 09 37.45  21.14  29.29 
2004 10 36.88  22.11  29.49 
2004 11 35.50  21.90  28.70 
2004 12 33.99  20.98  27.48 
2005 01 31.83  21.29  26.56 
2005 02 32.06  21.64  26.85 
2005 03 31.46  22.09  26.77 
2005 04 32.30  21.27  26.78 
2005 05 32.04  20.61  26.32 
2005 06 33.12  18.70  25.91 
2005 07 34.38  17.86  26.12 
2005 08 36.00  19.34  27.67 
2005 09 37.54  21.08  29.31 
2005 10 38.14  22.35  30.24 
2005 11 35.50  22.19  28.84 
2005 12 32.89  21.01  26.95 
2006 01 36.56  21.55  29.05 
2006 02 31.17  21.07  26.12 
2006 03 31.35  21.43  26.39 
2006 04 30.86  21.61  26.23 
2006 05 31.86  20.25  26.05 
2006 06 32.20  17.87  25.03 
2006 07 33.83  17.16  25.49 
2006 08 35.84  19.00  27.42 
2006 09 36.41 -99.99 -99.99 
2006 10 35.14 -99.99 -99.99 
2006 11 33.95 -99.99 -99.99 
2006 12 34.49  22.15  28.32 
2007 01 34.88  22.33  28.60 
2007 02 31.67  21.71  26.68 
2007 03 33.70  20.72  27.21 
2007 04 33.93  20.63  27.28 
2007 05 35.75  21.00  28.37 
2007 06 34.78  18.83  26.80 
2007 07 35.84  19.71  27.78 
2007 08 35.54  20.73  28.13 
2007 09 36.91  22.71  29.81 
2007 10 38.07  23.45  30.76 
2007 11 36.68  23.36  30.02 
2007 12 33.52  21.27  27.39 
2008 01 32.74  21.41  27.07 
2008 02 31.57  21.37  26.47 
2008 03 29.55  21.12  25.33 
2008 04 31.01  21.42  26.21 
2008 05 32.41  20.55  26.48 
2008 06 33.00  17.71  25.36 
2008 07 33.24  17.71  25.48 
2008 08 35.46  20.58  28.02 
2008 09 37.73  22.30  30.01 
2008 10 38.05  23.85  30.95 
2008 11 35.80  23.42  29.61 
2008 12 33.30  21.95  27.62 
2009 01 32.30  21.12  26.71 
2009 02 31.16  21.18  26.17 
2009 03 32.21  21.51  26.86 
2009 04 30.64  22.19  26.41 
2009 05 31.15  21.47  26.31 
2009 06 32.39  19.25  25.82 
2009 07 34.55  18.20  26.38 
2009 08 35.99  20.36  28.17 
2009 09 38.25  22.58  30.41 
2009 10 35.11  23.12  29.11 
2009 11 35.29  22.54  28.91 
2009 12 31.59  22.13  26.86 
2010 01 32.79  21.83  27.31 
2010 02 34.18  22.88  28.53 
2010 03 33.08  22.80  27.94 
2010 04 32.73  22.24  27.48 
2010 05 35.54  21.30  28.42 
2010 06 34.77  21.03  27.90 
2010 07 34.90  20.15  27.52 
2010 08 36.09  20.66  28.37 
2010 09 37.29  22.66  29.97 
2010 10 36.87  23.53  30.20 
2010 11 36.14  22.97  29.55 
2010 12 32.77  21.57  27.17 
2011 01 32.15  21.66  26.90 
2011 02 30.27  21.52  25.89 
2011 03 31.10  21.80  26.45 
2011 04 31.99  21.23  26.61 
2011 05 32.98  20.90  26.93 
2011 06 34.57  18.09  26.33 
2011 07 34.43  18.20  26.32 
2011 08 36.65  19.61  28.13 
2011 09 37.32  21.35  29.33 
2011 10 36.16  23.15  29.66 
2011 11 32.59  22.15  27.37 
2011 12 35.03  21.52  28.27 
2012 01 32.48  21.90  27.18 
2012 02 30.93  20.85  25.89 
