Date Value Value
Dec 2, 2016 0.80%
Dec 1, 2016 0.81%
Nov 1, 2016 0.74%
Oct 1, 2016 0.66%
Sep 1, 2016 0.59%
Aug 1, 2016 0.57%
Jul 1, 2016 0.51%
Jun 1, 2016 0.55%
May 1, 2016 0.59%
Apr 1, 2016 0.56%
Mar 1, 2016 0.66%
Feb 1, 2016 0.53%
Jan 1, 2016 0.54%
Dec 1, 2015 0.65%
Nov 1, 2015 0.48%
Oct 1, 2015 0.26%
Sep 1, 2015 0.37%
Aug 1, 2015 0.38%
Jul 1, 2015 0.30%
Jun 1, 2015 0.28%
May 1, 2015 0.24%
Apr 1, 2015 0.23%
Mar 1, 2015 0.25%
Feb 1, 2015 0.22%
Jan 1, 2015 0.20%
Dec 1, 2014 0.21%
Nov 1, 2014 0.13%
Oct 1, 2014 0.10%
Sep 1, 2014 0.11%
Aug 1, 2014 0.11%
Jul 1, 2014 0.11%
Jun 1, 2014 0.10%
May 1, 2014 0.10%
Apr 1, 2014 0.11%
Mar 1, 2014 0.13%
Feb 1, 2014 0.12%
Jan 1, 2014 0.12%
Dec 1, 2013 0.13%
Nov 1, 2013 0.12%
Oct 1, 2013 0.12%
Sep 1, 2013 0.12%
Aug 1, 2013 0.13%
Jul 1, 2013 0.12%
Jun 1, 2013 0.14%
May 1, 2013 0.12%
Apr 1, 2013 0.12%
Mar 1, 2013 0.15%
Feb 1, 2013 0.16%
Jan 1, 2013 0.15%
Dec 1, 2012 0.16%
Nov 1, 2012 0.18%
Oct 1, 2012 0.18%
Sep 1, 2012 0.18%
Aug 1, 2012 0.18%
Jul 1, 2012 0.19%
Jun 1, 2012 0.19%
May 1, 2012 0.19%
Apr 1, 2012 0.18%
Mar 1, 2012 0.19%
Feb 1, 2012 0.16%
Jan 1, 2012 0.12%
Dec 1, 2011 0.12%
Nov 1, 2011 0.11%
Oct 1, 2011 0.11%
Sep 1, 2011 0.10%
Aug 1, 2011 0.11%
Jul 1, 2011 0.19%
Jun 1, 2011 0.18%
May 1, 2011 0.19%
Apr 1, 2011 0.25%
Mar 1, 2011 0.26%
Feb 1, 2011 0.29%
Jan 1, 2011 0.27%
Dec 1, 2010 0.29%
Nov 1, 2010 0.25%
Oct 1, 2010 0.23%
Sep 1, 2010 0.26%
Aug 1, 2010 0.26%
Jul 1, 2010 0.29%
Jun 1, 2010 0.32%
May 1, 2010 0.37%
Apr 1, 2010 0.44%
Mar 1, 2010 0.40%
Feb 1, 2010 0.35%
Jan 1, 2010 0.35%
Dec 1, 2009 0.37%
Nov 1, 2009 0.31%
Oct 1, 2009 0.37%
Sep 1, 2009 0.40%
Aug 1, 2009 0.46%
Jul 1, 2009 0.48%
Jun 1, 2009 0.51%
May 1, 2009 0.50%
Apr 1, 2009 0.55%
Mar 1, 2009 0.64%
Feb 1, 2009 0.62%
Jan 1, 2009 0.44%
Dec 1, 2008 0.49%
Nov 1, 2008 1.07%
Oct 1, 2008 1.42%
Sep 1, 2008 1.91%
Aug 1, 2008 2.18%
Jul 1, 2008 2.28%
Jun 1, 2008 2.42%
May 1, 2008 2.06%
Apr 1, 2008 1.74%
Mar 1, 2008 1.54%
Feb 1, 2008 2.05%
Jan 1, 2008 2.71%
Dec 1, 2007 3.26%
Nov 1, 2007 3.50%
Oct 1, 2007 4.10%
Sep 1, 2007 4.14%
Aug 1, 2007 4.47%
Jul 1, 2007 4.96%
Jun 1, 2007 4.96%
May 1, 2007 4.91%
Apr 1, 2007 4.93%
Mar 1, 2007 4.92%
Feb 1, 2007 5.05%
Jan 1, 2007 5.06%
Dec 1, 2006 4.94%
Nov 1, 2006 5.01%
Oct 1, 2006 5.01%
Sep 1, 2006 4.97%
Aug 1, 2006 5.08%
Jul 1, 2006 5.22%
Jun 1, 2006 5.16%
May 1, 2006 4.99%
Apr 1, 2006 4.90%
Mar 1, 2006 4.77%
Feb 1, 2006 4.68%
Jan 1, 2006 4.45%
Dec 1, 2005 4.35%
Nov 1, 2005 4.33%
Oct 1, 2005 4.18%
Sep 1, 2005 3.85%
Aug 1, 2005 3.87%
Jul 1, 2005 3.64%
Jun 1, 2005 3.36%
May 1, 2005 3.33%
Apr 1, 2005 3.32%
Mar 1, 2005 3.30%
Feb 1, 2005 3.03%
Jan 1, 2005 2.86%
Dec 1, 2004 2.67%
Nov 1, 2004 2.50%
Oct 1, 2004 2.23%
Sep 1, 2004 2.12%
Aug 1, 2004 2.02%
Jul 1, 2004 2.10%
Jun 1, 2004 2.12%
May 1, 2004 1.78%
Apr 1, 2004 1.43%
Mar 1, 2004 1.19%
Feb 1, 2004 1.24%
Jan 1, 2004 1.24%
Dec 1, 2003 1.31%
Nov 1, 2003 1.34%
Oct 1, 2003 1.25%
Sep 1, 2003 1.24%
Aug 1, 2003 1.31%
Jul 1, 2003 1.12%
Jun 1, 2003 1.01%
May 1, 2003 1.18%
Apr 1, 2003 1.27%
Mar 1, 2003 1.24%
Feb 1, 2003 1.30%
Jan 1, 2003 1.36%
Dec 1, 2002 1.45%
Nov 1, 2002 1.49%
Oct 1, 2002 1.65%
Sep 1, 2002 1.71%
Aug 1, 2002 1.76%
Jul 1, 2002 1.96%
Jun 1, 2002 2.20%
May 1, 2002 2.35%
Apr 1, 2002 2.48%
Mar 1, 2002 2.57%
Feb 1, 2002 2.23%
Jan 1, 2002 2.16%
Dec 1, 2001 2.22%
Nov 1, 2001 2.18%
Oct 1, 2001 2.33%
Sep 1, 2001 2.82%
Aug 1, 2001 3.47%
Jul 1, 2001 3.62%
Jun 1, 2001 3.58%
May 1, 2001 3.78%
Apr 1, 2001 3.98%
Mar 1, 2001 4.30%
Feb 1, 2001 4.68%
Jan 1, 2001 4.81%
Dec 1, 2000 5.60%
Nov 1, 2000 6.09%
Oct 1, 2000 6.01%
Sep 1, 2000 6.13%
Aug 1, 2000 6.18%
Jul 1, 2000 6.08%
Jun 1, 2000 6.17%
May 1, 2000 6.33%
Apr 1, 2000 6.15%
Mar 1, 2000 6.22%
Feb 1, 2000 6.22%
Jan 1, 2000 6.12%
Dec 1, 1999 5.84%
Nov 1, 1999 5.55%
Oct 1, 1999 5.43%
Sep 1, 1999 5.25%
Aug 1, 1999 5.20%
Jul 1, 1999 5.03%
Jun 1, 1999 5.10%
May 1, 1999 4.85%
Apr 1, 1999 4.69%
Mar 1, 1999 4.78%
Feb 1, 1999 4.70%
Jan 1, 1999 4.51%
Dec 1, 1998 4.52%
Nov 1, 1998 4.53%
Oct 1, 1998 4.12%
Sep 1, 1998 4.71%
Aug 1, 1998 5.21%
Jul 1, 1998 5.36%
Jun 1, 1998 5.41%
May 1, 1998 5.44%
Apr 1, 1998 5.38%
Mar 1, 1998 5.39%
Feb 1, 1998 5.31%
Jan 1, 1998 5.24%
Dec 1, 1997 5.53%
Nov 1, 1997 5.46%
Oct 1, 1997 5.46%
Sep 1, 1997 5.52%
Aug 1, 1997 5.56%
Jul 1, 1997 5.54%
Jun 1, 1997 5.69%
May 1, 1997 5.87%
Apr 1, 1997 5.99%
Mar 1, 1997 5.80%
Feb 1, 1997 5.53%
Jan 1, 1997 5.61%
Dec 1, 1996 5.47%
Nov 1, 1996 5.42%
Oct 1, 1996 5.55%
Sep 1, 1996 5.83%
Aug 1, 1996 5.67%
Jul 1, 1996 5.85%
Jun 1, 1996 5.81%
May 1, 1996 5.64%
Apr 1, 1996 5.54%
Mar 1, 1996 5.34%
Feb 1, 1996 4.94%
Jan 1, 1996 5.09%
Dec 1, 1995 5.31%
Nov 1, 1995 5.43%
Oct 1, 1995 5.59%
Sep 1, 1995 5.62%
Aug 1, 1995 5.75%
Jul 1, 1995 5.59%
Jun 1, 1995 5.64%
May 1, 1995 6.00%
Apr 1, 1995 6.27%
Mar 1, 1995 6.43%
Feb 1, 1995 6.70%
Jan 1, 1995 7.05%
Dec 1, 1994 7.14%
Nov 1, 1994 6.54%
Oct 1, 1994 6.11%
Sep 1, 1994 5.76%
Aug 1, 1994 5.56%
Jul 1, 1994 5.48%
Jun 1, 1994 5.27%
May 1, 1994 5.31%
Apr 1, 1994 4.82%
Mar 1, 1994 4.32%
Feb 1, 1994 3.87%
Jan 1, 1994 3.54%
Dec 1, 1993 3.61%
Nov 1, 1993 3.58%
Oct 1, 1993 3.39%
Sep 1, 1993 3.36%
Aug 1, 1993 3.44%
Jul 1, 1993 3.47%
Jun 1, 1993 3.54%
May 1, 1993 3.36%
Apr 1, 1993 3.24%
Mar 1, 1993 3.33%
Feb 1, 1993 3.39%
Jan 1, 1993 3.50%
Dec 1, 1992 3.71%
Nov 1, 1992 3.68%
Oct 1, 1992 3.30%
Sep 1, 1992 3.18%
Aug 1, 1992 3.47%
Jul 1, 1992 3.60%
Jun 1, 1992 4.17%
May 1, 1992 4.19%
Apr 1, 1992 4.30%
Mar 1, 1992 4.63%
Feb 1, 1992 4.29%
Jan 1, 1992 4.15%
Dec 1, 1991 4.38%
Nov 1, 1991 4.89%
Oct 1, 1991 5.33%
Sep 1, 1991 5.57%
Aug 1, 1991 5.78%
Jul 1, 1991 6.31%
Jun 1, 1991 6.36%
May 1, 1991 6.13%
Apr 1, 1991 6.24%
Mar 1, 1991 6.40%
Feb 1, 1991 6.27%
Jan 1, 1991 6.64%
Dec 1, 1990 7.05%
Nov 1, 1990 7.31%
Oct 1, 1990 7.55%
Sep 1, 1990 7.76%
Aug 1, 1990 7.78%
Jul 1, 1990 7.94%
Jun 1, 1990 8.10%
May 1, 1990 8.32%
Apr 1, 1990 8.40%
Mar 1, 1990 8.35%
Feb 1, 1990 8.11%
Jan 1, 1990 7.92%