1997 05 29.04  23.88  26.46 
1997 06 28.28  23.42  25.85 
1997 07 27.30  23.14  25.22 
1997 08 27.61  22.20  24.90 
1997 09 28.52  22.89  25.70 
1997 10 29.33  23.15  26.24 
1997 11 30.64  24.39  27.51 
1997 12 32.32  25.83  29.07 
1998 01 31.68  25.96  28.82 
1998 02 31.64  26.08  28.86 
1998 03 30.63  25.52  28.07 
1998 04 30.89  26.68  28.78 
1998 05 29.53  25.64  27.58 
1998 06 28.72 -99.99 -99.99 
1998 07 28.83  24.61  26.72 
1998 08 28.97  24.04  26.50 
1998 09 30.17  25.12  27.64 
1998 10 31.96  25.92  28.93 
1998 11 31.46 -99.99 -99.99 
1998 12 30.50  25.27  27.88 
1999 01 31.00  25.87  28.43 
1999 02 29.26  24.86  27.06 
1999 03 30.60  25.59  28.09 
1999 05 29.08 -99.99 -99.99 
1999 06 28.18  24.22  26.20 
1999 07 27.45  23.06  25.25 
1999 10 30.52  24.77  27.64 
1999 11 31.80  25.30  28.55 
1999 12 31.68  25.53  28.60 
2000 01 31.65  24.55  28.09 
2000 02 31.50  25.46  28.48 
2000 05 29.67  25.24  27.45 
2000 06 28.30  24.14  26.22 
2000 07 27.80  22.93  25.36 
2000 08 28.52  23.48  26.00 
2000 09 29.96  24.16  27.06 
2000 10 31.41  25.17  28.29 
2000 11 33.15 -99.99 -99.99 
2000 12 31.52  25.60  28.56 
2001 01 32.00  26.10  29.05 
2001 02 31.37  26.00  28.68 
2001 03 33.13  26.52  29.82 
2001 04 32.09  26.37  29.23 
2001 05 31.42  26.10  28.76 
2001 06 30.61  25.59  28.10 
2001 09 30.77 -99.99 -99.99 
2001 10 31.14  24.57  27.85 
2002 01 34.28  28.55  31.41 
2002 02 33.00  27.85  30.42 
2002 05 31.50  25.87  28.68 
2002 06 30.18  25.46  27.82 
2002 07 29.61  24.16  26.88 
2002 08 30.19  24.00  27.09 
2002 09 30.97  23.80  27.38 
2002 10 31.35  24.16  27.75 
2002 11 32.24  25.69  28.96 
2002 12 34.18  26.42  30.30 
2003 01 32.13  25.55  28.84 
2003 02 32.11  26.00  29.05 
2003 03 31.29  25.79  28.54 
2003 04 31.21  26.07  28.64 
2003 05 30.84  25.52  28.18 
2003 06 30.00  24.41  27.20 
2003 07 28.94  23.68  26.31 
2003 08 29.55  23.46  26.50 
2003 09 30.50  23.62  27.06 
2003 10 31.74  24.41  28.07 
2003 11 32.40  25.19  28.79 
2003 12 32.68  25.84  29.26 
2004 01 32.16  25.77  28.97 
2004 02 30.78  25.58  28.18 
2004 03 31.22  25.49  28.35 
2004 04 31.64  25.94  28.79 
2004 05 30.97  25.79  28.38 
2004 06 29.39  24.04  26.71 
2004 07 28.98  23.24  26.11 
2004 08 29.68  22.46  26.07 
2004 09 30.37  23.62  26.99 
2004 10 31.61  24.04  27.82 
2004 11 33.04  25.17  29.10 
2004 12 33.97  25.96  29.96 
2005 01 31.31  25.48  28.39 
2005 02 32.46  25.86  29.16 
2005 03 31.59  25.81  28.70 
2005 04 30.82  25.22  28.02 
2005 05 30.60  25.17  27.88 
2005 06 30.12  24.75  27.43 
2005 07 29.40  24.20  26.80 
2005 08 30.22  23.64  26.93 
2005 09 30.83  23.67  27.25 
2005 10 32.15  24.67  28.41 
2005 12 34.06  26.32  30.19 
2006 01 31.86  25.84  28.85 
2006 02 31.52  25.45  28.48 
2006 03 30.70  25.41  28.05 
2006 04 31.00  25.71  28.35 
2006 05 31.19  25.21  28.20 
2006 06 30.03  25.01  27.52 
2006 07 29.52  23.68  26.60 
2006 08 29.49  22.74  26.11 
2006 09 30.06  23.60  26.83 
2006 10 31.60  23.53  27.56 
2006 11 32.95  24.68  28.81 
2006 12 33.96  25.74  29.84 
2007 01 32.11  25.62  28.86 
2007 02 31.73  25.55  28.64 
2007 03 32.02  25.67  28.84 
2007 04 31.75  25.51  28.63 
2007 05 31.56  25.57  28.56 
2007 06 30.57  25.61  28.09 
2007 07 29.65  23.53  26.59 
2007 08 29.97  23.62  26.79 
2007 09 30.73  23.67  27.20 
2007 10 32.68  25.18  28.93 
2007 11 33.13  25.17  29.15 
2007 12 34.37  26.48  30.42 
2008 01 31.56  25.62  28.59 
2008 02 31.44  26.33  28.88 
2008 03 32.57  25.65  29.11 
2008 04 31.66  25.34  28.50 
2008 05 30.37  24.30  27.33 
2008 06 30.17  24.30  27.23 
2008 07 29.78  23.74  26.76 
2008 08 29.85  23.81  26.83 
2008 09 31.44  24.60  28.02 
2008 10 33.15  25.27  29.21 
2008 11 34.80  26.32  30.56 
2008 12 33.23  26.20  29.71 
2009 01 32.12  25.71  28.91 
2009 02 31.57  25.79  28.68 
2009 03 31.12  25.21  28.16 
2009 06 30.83  24.80  27.81 
2009 07 31.43  23.96  27.69 
2009 08 31.48  23.85  27.66 
2009 09 32.50  24.10  28.30 
2009 10 33.21  24.57  28.89 
2009 11 34.50  25.44  29.97 
2009 12 33.16  25.84  29.50 
2010 01 30.75  25.63  28.18 
2010 02 32.40  26.40  29.40 
2010 03 32.53  25.98  29.25 
2010 04 32.41  26.08  29.24 
2010 05 33.58  26.16  29.87 
2010 06 33.55  25.62  29.58 
2010 07 32.11  25.26  28.68 
2010 08 32.41  25.31  28.86 
2010 09 33.41  25.87  29.64 
2010 10 33.49  25.67  29.58 
2010 11 33.49  25.85  29.67 
2010 12 32.32  26.07  29.19 
2011 01 31.31  25.46  28.38 
2011 02 31.27  25.18  28.22 
2011 03 31.67  25.35  28.51 
2011 04 31.15  25.14  28.14 
2011 05 32.57  25.08  28.82 
2011 06 30.80  24.11  27.45 
2011 07 29.98  23.54  26.76 
2011 08 31.33  22.82  27.07 
2011 09 31.74  23.97  27.85 
2011 10 33.31  24.83  29.07 
2011 11 35.08  26.03  30.55 
2011 12 32.77  26.23  29.50 
2012 01 32.34  25.70  29.02 
2012 02 31.76  25.67  28.71 
2012 03 31.52  25.84  28.68 
2012 04 32.86  25.75  29.30 
2012 05 29.55  25.40  27.47 
2012 06 29.55  24.38  26.96 
2012 07 29.54  24.44  26.99 
2012 08 28.96  24.04  26.50 
2012 09 30.31  24.16  27.23 
2012 10 31.95  24.81  28.38 
2012 11 32.91  25.37  29.14 
2012 12 34.39  26.13  30.25 
2013 01 31.91  26.40  29.15 
2013 02 32.52  25.91  29.21 
2013 03 30.92  25.24  28.08 
2013 04 32.33  26.21  29.27 
2013 05 32.39  26.24  29.31 
2013 06 30.04  25.06  27.55 
2013 07 30.30  24.14  27.22 
2013 08 30.88  23.76  27.32 
2013 09 32.14  24.04  28.09 
2013 10 33.08  25.14  29.11 
2013 11 33.14  25.90  29.52 
2013 12 32.74  25.76  29.25 
2014 01 31.19  25.56  28.37 
2014 02 30.69  25.56  28.12 
2014 03 31.15  25.47  28.31 
2014 04 32.30  25.69  28.99 
2014 05 33.31  25.64  29.47 
