1990 10 31.98  23.46  27.72 
1990 11 33.09  25.54  29.31 
1990 12 32.41  26.25  29.33 
1991 01 30.60  25.91  28.25 
1991 02 29.62  25.18  27.40 
1991 03 31.48  24.90  28.18 
1991 04 31.44  24.73  28.08 
1991 05 30.83  23.30  27.06 
1991 06 30.11 -99.99 -99.99 
1991 07 29.50  20.01  24.75 
1991 08 30.19  20.37  25.28 
1991 09 30.81  21.48  26.14 
1991 10 32.04  22.56  27.30 
1991 11 32.91  25.63  29.27 
1991 12 99.99  27.39 -99.99 
1992 01 31.93  25.73  28.83 
1992 02 31.22  25.86  28.54 
1992 03 32.21  26.06  29.13 
1992 04 31.13  24.73  27.93 
1992 05 31.32  24.99  28.15 
1992 06 29.77  20.44  25.10 
1992 09 31.51  24.40  27.95 
1992 12 32.16 -99.99 -99.99 
1993 01 30.77  24.97  27.87 
1993 02 30.03  25.96  27.99 
1993 03 31.98  26.41  29.19 
1993 04 31.93  25.57  28.75 
1993 06 30.09  22.72  26.40 
1993 07 29.86 -99.99 -99.99 
1993 08 30.04  22.10  26.07 
1993 09 31.18  23.39  27.28 
1993 10 32.07  24.48  28.27 
1993 11 99.99  25.39 -99.99 
1993 12 99.99  25.56 -99.99 
1994 01 32.14  26.80  29.47 
1994 02 30.79  24.93  27.86 
1994 03 30.65  25.06  27.85 
1994 04 31.11  24.33  27.72 
1994 05 31.01  23.16  27.08 
1994 07 29.15  20.10  24.62 
1994 08 29.61  20.09  24.85 
1994 10 32.08  23.97  28.02 
1994 11 33.14  25.25  29.19 
1994 12 32.88  25.17  29.02 
1995 01 30.82  23.84  27.33 
1995 02 30.79  25.91  28.35 
1995 03 30.34 -99.99 -99.99 
1995 04 31.38  24.61  27.99 
1995 05 31.01  24.25  27.63 
1995 06 29.35  22.11  25.73 
1995 07 29.30  21.02  25.16 
1995 08 29.66  21.77  25.71 
1995 09 31.11  23.28  27.19 
1995 10 32.58  24.66  28.62 
1995 11 33.18  25.97  29.57 
1995 12 31.68  25.96  28.82 
1996 01 31.65  26.72  29.18 
1996 02 31.29  25.59  28.44 
1996 03 31.63  25.32  28.47 
1996 04 31.27  24.25  27.76 
1996 05 30.87  23.09  26.98 
1996 06 30.37  22.11  26.24 
1996 07 29.58  20.63  25.10 
1996 08 30.39  21.78  26.08 
1996 09 31.43  22.85  27.14 
1996 10 32.88  25.00  28.94 
1996 11 32.78  25.08  28.93 
1996 12 31.70  25.80  28.75 
1997 01 30.84  25.40  28.12 
1997 02 30.91  25.10  28.00 
1997 03 30.99  25.11  28.05 
1997 04 31.85  24.94  28.39 
1997 05 31.08  23.32  27.20 
1997 06 29.88  22.08  25.98 
1997 07 29.38  20.59  24.98 
1997 08 29.74  21.84  25.79 
1997 09 31.03  22.12  26.57 
1997 10 32.24  23.80  28.02 
1997 11 32.68  24.91  28.80 
1997 12 32.61  25.68  29.14 
1998 01 30.92  25.90  28.41 
1998 02 32.07  26.10  29.08 
1998 03 32.21  25.90  29.05 
1998 04 32.34  25.97  29.15 
1998 05 31.71  24.88  28.29 
1998 06 30.63  22.78  26.70 
1998 07 30.46  22.59  26.52 
1998 08 31.59  21.55  26.57 
1998 09 32.50  24.29  28.40 
1998 10 34.12  25.88  30.00 
1998 11 33.18  26.50  29.84 
1999 01 31.81  26.01  28.91 
1999 02 30.60  25.56  28.08 
1999 03 30.94  25.19  28.06 
1999 04 31.08  24.74  27.91 
1999 05 30.64  22.00  26.32 
1999 06 29.91  22.27  26.09 
1999 07 29.31  20.01  24.66 
1999 08 30.30  21.46  25.88 
1999 09 31.17  22.59  26.88 
1999 10 32.65  24.80  28.72 
1999 11 32.68  25.50  29.09 
1999 12 31.96  25.60  28.78 
2000 01 31.64  25.69  28.66 
2000 02 31.14  25.30  28.22 
2000 03 30.84  25.03  27.93 
2000 04 30.60  24.86  27.73 
2000 05 30.36  23.88  27.12 
2000 06 28.01 -99.99 -99.99 
2000 07 28.48  20.34  24.41 
2000 08 29.93  21.36  25.64 
2000 09 31.67  23.51  27.59 
2000 12 99.99  26.31 -99.99 
2001 01 31.13  25.51  28.32 
2001 02 31.16  26.21  28.68 
2001 03 31.24  25.69  28.46 
2001 04 31.52  24.99  28.25 
2001 05 30.55  22.62  26.58 
2001 06 30.21  22.54  26.37 
2001 07 28.91  20.91  24.91 
2001 08 29.83  20.88  25.35 
2001 09 31.40  23.79  27.59 
2001 10 32.40  24.59  28.49 
2001 11 33.32  25.86  29.59 
2001 12 32.08  25.88  28.98 
2002 01 32.16  26.84  29.50 
2002 02 30.56  25.15  27.85 
2002 03 32.66  24.90  28.78 
2002 04 32.43  24.78  28.60 
2002 05 31.96  23.13  27.54 
2002 06 30.68  20.04  25.36 
2002 07 30.03  20.18  25.10 
2002 08 30.80  20.14  25.47 
2002 09 31.36  22.46  26.91 
2002 10 32.56  24.08  28.32 
2002 11 33.34  25.74  29.54 
2002 12 33.87  27.00  30.43 
2003 01 31.07 -99.99 -99.99 
2003 02 31.45  25.51  28.48 
2003 07 30.62  21.97  26.29 
2003 10 32.99  24.66  28.82 
2003 11 33.58  25.56  29.57 
2004 01 31.95  26.14  29.04 
2005 08 30.86  22.52  26.69 
2005 10 32.75  25.11  28.93 
2005 11 33.66  26.02  29.84 
2006 01 31.07  26.17  28.62 
2006 02 32.00  26.02  29.01 
2006 03 30.94  26.08  28.51 
2006 04 30.84  25.51  28.17 
2006 05 31.10  23.34  27.22 
2006 06 29.62  21.09  25.35 
2006 07 29.04  20.51  24.77 
2006 08 30.25  21.03  25.64 
2006 09 31.25  21.72  26.48 
2006 10 31.99  23.70  27.84 
2007 01 32.16  26.53  29.34 
2007 02 31.22  25.88  28.55 
2007 03 30.97 -99.99 -99.99 
2007 07 29.07  18.91  23.99 
2007 08 30.50  20.64  25.57 
2007 09 32.00  22.36  27.18 
2007 10 32.71  24.84  28.77 
2007 12 32.70  26.21  29.45 
2008 01 31.82  26.68  29.25 
2008 02 31.01  25.64  28.32 
2008 03 31.58  25.37  28.47 
2008 04 32.07  23.86  27.96 
2008 06 30.66  22.69  26.67 
2008 07 30.15  20.45  25.30 
2008 08 30.82 -99.99 -99.99 
2008 11 33.38  26.26  29.82 
2008 12 32.07  25.92  28.99 
2009 01 31.81  26.67  29.24 
2009 02 30.84  25.79  28.31 
2009 03 31.97  25.95  28.96 
2009 04 32.81  25.35  29.08 
2009 06 30.32  21.25  25.78 
2009 07 30.23  20.04  25.14 
2009 08 30.88  21.49  26.18 
2009 09 32.33  24.13  28.23 
2009 10 33.47  24.25  28.86 
2009 11 33.30  25.74  29.52 
2009 12 32.71  26.36  29.53 
2010 01 31.15  25.50  28.32 
2010 02 32.07  27.12  29.59 
2010 04 31.64  25.46  28.55 
2010 05 31.98  25.35  28.66 
2010 07 31.03  23.38  27.20 
2011 01 30.95 -99.99 -99.99 
2011 02 30.17  24.54  27.35 
2011 03 30.32  25.47  27.89 
2011 05 30.36  22.25  26.30 
2011 07 29.67  21.34  25.50 
2011 08 30.19  20.76  25.47 
2011 09 31.13  22.71  26.91 
2011 10 32.70  25.53  29.11 
2011 12 32.05  26.30  29.17 
2012 01 31.80 -99.99 -99.99 
2012 02 31.48  26.07  28.77 
2012 04 31.82  24.62  28.22 
2012 06 28.34  19.31  23.82 
2012 07 29.51  20.78  25.14 
2012 08 30.17  20.03  25.10 
2012 09 32.00  22.24  27.12 
2012 10 32.91  24.46  28.68 
2012 12 33.90  25.96  29.93 
2013 01 32.14  25.92  29.03 
2013 02 32.50  26.10  29.30 
2013 04 32.43  25.41  28.92 
2013 05 31.53  24.87  28.20 
2013 06 30.93  23.16  27.04 
2013 07 30.23  21.79  26.01 
2013 08 30.79  21.32  26.05 
2013 09 31.52  22.92  27.22 
2013 10 33.18  24.64  28.91 
2013 11 33.08  25.91  29.49 
2013 12 32.93  25.66  29.29 
2014 01 31.24 -99.99 -99.99 
2014 04 31.77  25.66  28.71 
2014 05 31.29  24.83  28.06 
