Date Value Value
Dec 6, 2016 1.12%
Dec 1, 2016 1.13%
Nov 1, 2016 0.98%
Oct 1, 2016 0.84%
Sep 1, 2016 0.77%
Aug 1, 2016 0.74%
Jul 1, 2016 0.67%
Jun 1, 2016 0.73%
May 1, 2016 0.82%
Apr 1, 2016 0.77%
Mar 1, 2016 0.88%
Feb 1, 2016 0.73%
Jan 1, 2016 0.90%
Dec 1, 2015 0.98%
Nov 1, 2015 0.88%
Oct 1, 2015 0.64%
Sep 1, 2015 0.71%
Aug 1, 2015 0.70%
Jul 1, 2015 0.67%
Jun 1, 2015 0.69%
May 1, 2015 0.61%
Apr 1, 2015 0.54%
Mar 1, 2015 0.64%
Feb 1, 2015 0.62%
Jan 1, 2015 0.55%
Dec 1, 2014 0.64%
Nov 1, 2014 0.53%
Oct 1, 2014 0.45%
Sep 1, 2014 0.57%
Aug 1, 2014 0.47%
Jul 1, 2014 0.51%
Jun 1, 2014 0.45%
May 1, 2014 0.39%
Apr 1, 2014 0.42%
Mar 1, 2014 0.40%
Feb 1, 2014 0.33%
Jan 1, 2014 0.39%
Dec 1, 2013 0.34%
Nov 1, 2013 0.30%
Oct 1, 2013 0.34%
Sep 1, 2013 0.40%
Aug 1, 2013 0.36%
Jul 1, 2013 0.34%
Jun 1, 2013 0.33%
May 1, 2013 0.25%
Apr 1, 2013 0.23%
Mar 1, 2013 0.26%
Feb 1, 2013 0.27%
Jan 1, 2013 0.27%
Dec 1, 2012 0.26%
Nov 1, 2012 0.27%
Oct 1, 2012 0.28%
Sep 1, 2012 0.26%
Aug 1, 2012 0.27%
Jul 1, 2012 0.25%
Jun 1, 2012 0.29%
May 1, 2012 0.29%
Apr 1, 2012 0.29%
Mar 1, 2012 0.34%
Feb 1, 2012 0.28%
Jan 1, 2012 0.24%
Dec 1, 2011 0.26%
Nov 1, 2011 0.25%
Oct 1, 2011 0.28%
Sep 1, 2011 0.21%
Aug 1, 2011 0.23%
Jul 1, 2011 0.41%
Jun 1, 2011 0.41%
May 1, 2011 0.56%
Apr 1, 2011 0.73%
Mar 1, 2011 0.70%
Feb 1, 2011 0.77%
Jan 1, 2011 0.61%
Dec 1, 2010 0.62%
Nov 1, 2010 0.45%
Oct 1, 2010 0.38%
Sep 1, 2010 0.48%
Aug 1, 2010 0.52%
Jul 1, 2010 0.62%
Jun 1, 2010 0.72%
May 1, 2010 0.83%
Apr 1, 2010 1.06%
Mar 1, 2010 0.96%
Feb 1, 2010 0.86%
Jan 1, 2010 0.93%
Dec 1, 2009 0.87%
Nov 1, 2009 0.80%
Oct 1, 2009 0.95%
Sep 1, 2009 0.96%
Aug 1, 2009 1.12%
Jul 1, 2009 1.02%
Jun 1, 2009 1.18%
May 1, 2009 0.93%
Apr 1, 2009 0.93%
Mar 1, 2009 0.93%
Feb 1, 2009 0.98%
Jan 1, 2009 0.81%
Dec 1, 2008 0.82%
Nov 1, 2008 1.21%
Oct 1, 2008 1.61%
Sep 1, 2008 2.08%
Aug 1, 2008 2.42%
Jul 1, 2008 2.57%
Jun 1, 2008 2.77%
May 1, 2008 2.45%
Apr 1, 2008 2.05%
Mar 1, 2008 1.62%
Feb 1, 2008 1.97%
Jan 1, 2008 2.48%
Dec 1, 2007 3.12%
Nov 1, 2007 3.34%
Oct 1, 2007 3.97%
Sep 1, 2007 4.01%
Aug 1, 2007 4.31%
Jul 1, 2007 4.82%
Jun 1, 2007 4.98%
May 1, 2007 4.77%
Apr 1, 2007 4.67%
Mar 1, 2007 4.57%
Feb 1, 2007 4.85%
Jan 1, 2007 4.88%
Dec 1, 2006 4.67%
Nov 1, 2006 4.74%
Oct 1, 2006 4.80%
Sep 1, 2006 4.77%
Aug 1, 2006 4.90%
Jul 1, 2006 5.12%
Jun 1, 2006 5.12%
May 1, 2006 4.97%
Apr 1, 2006 4.89%
Mar 1, 2006 4.73%
Feb 1, 2006 4.67%
Jan 1, 2006 4.40%
Dec 1, 2005 4.40%
Nov 1, 2005 4.42%
Oct 1, 2005 4.27%
Sep 1, 2005 3.95%
Aug 1, 2005 4.04%
Jul 1, 2005 3.87%
Jun 1, 2005 3.64%
May 1, 2005 3.64%
Apr 1, 2005 3.65%
Mar 1, 2005 3.73%
Feb 1, 2005 3.38%
Jan 1, 2005 3.22%
Dec 1, 2004 3.01%
Nov 1, 2004 2.85%
Oct 1, 2004 2.58%
Sep 1, 2004 2.53%
Aug 1, 2004 2.51%
Jul 1, 2004 2.64%
Jun 1, 2004 2.76%
May 1, 2004 2.53%
Apr 1, 2004 2.07%
Mar 1, 2004 1.58%
Feb 1, 2004 1.74%
Jan 1, 2004 1.76%
Dec 1, 2003 1.91%
Nov 1, 2003 1.93%
Oct 1, 2003 1.75%
Sep 1, 2003 1.71%
Aug 1, 2003 1.86%
Jul 1, 2003 1.47%
Jun 1, 2003 1.23%
May 1, 2003 1.42%
Apr 1, 2003 1.62%
Mar 1, 2003 1.57%
Feb 1, 2003 1.63%
Jan 1, 2003 1.74%
Dec 1, 2002 1.84%
Nov 1, 2002 1.92%
Oct 1, 2002 1.91%
Sep 1, 2002 2.00%
Aug 1, 2002 2.13%
Jul 1, 2002 2.56%
Jun 1, 2002 2.99%
May 1, 2002 3.26%
Apr 1, 2002 3.42%
Mar 1, 2002 3.56%
Feb 1, 2002 3.02%
Jan 1, 2002 3.03%
Dec 1, 2001 3.11%
Nov 1, 2001 2.78%
Oct 1, 2001 2.73%
Sep 1, 2001 3.12%
Aug 1, 2001 3.76%
Jul 1, 2001 4.04%
Jun 1, 2001 4.08%
May 1, 2001 4.26%
Apr 1, 2001 4.23%
Mar 1, 2001 4.34%
Feb 1, 2001 4.66%
Jan 1, 2001 4.76%
Dec 1, 2000 5.35%
Nov 1, 2000 5.88%
Oct 1, 2000 5.91%
Sep 1, 2000 6.08%
Aug 1, 2000 6.23%
Jul 1, 2000 6.34%
Jun 1, 2000 6.48%
May 1, 2000 6.81%
Apr 1, 2000 6.40%
Mar 1, 2000 6.53%
Feb 1, 2000 6.61%
Jan 1, 2000 6.44%
Dec 1, 1999 6.10%
Nov 1, 1999 5.86%
Oct 1, 1999 5.86%
Sep 1, 1999 5.66%
Aug 1, 1999 5.68%
Jul 1, 1999 5.55%
Jun 1, 1999 5.62%
May 1, 1999 5.25%
Apr 1, 1999 4.98%
Mar 1, 1999 5.05%
Feb 1, 1999 4.88%
Jan 1, 1999 4.62%
Dec 1, 1998 4.51%
Nov 1, 1998 4.54%
Oct 1, 1998 4.09%
Sep 1, 1998 4.67%
Aug 1, 1998 5.27%
Jul 1, 1998 5.46%
Jun 1, 1998 5.52%
May 1, 1998 5.59%
Apr 1, 1998 5.56%
Mar 1, 1998 5.56%
Feb 1, 1998 5.42%
Jan 1, 1998 5.36%
Dec 1, 1997 5.71%
Nov 1, 1997 5.71%
Oct 1, 1997 5.77%
Sep 1, 1997 5.88%
Aug 1, 1997 5.94%
Jul 1, 1997 5.89%
Jun 1, 1997 6.09%
May 1, 1997 6.28%
Apr 1, 1997 6.45%
Mar 1, 1997 6.22%
Feb 1, 1997 5.90%
Jan 1, 1997 6.01%
Dec 1, 1996 5.78%
Nov 1, 1996 5.70%
Oct 1, 1996 5.91%
Sep 1, 1996 6.23%
Aug 1, 1996 6.03%
Jul 1, 1996 6.27%
Jun 1, 1996 6.30%
May 1, 1996 6.10%
Apr 1, 1996 5.96%
Mar 1, 1996 5.66%
Feb 1, 1996 5.03%
Jan 1, 1996 5.11%
Dec 1, 1995 5.32%
Nov 1, 1995 5.48%
Oct 1, 1995 5.70%
Sep 1, 1995 5.81%
Aug 1, 1995 5.98%
Jul 1, 1995 5.78%
Jun 1, 1995 5.72%
May 1, 1995 6.17%
Apr 1, 1995 6.57%
Mar 1, 1995 6.78%
Feb 1, 1995 7.11%
Jan 1, 1995 7.51%
Dec 1, 1994 7.59%
Nov 1, 1994 7.15%
Oct 1, 1994 6.73%
Sep 1, 1994 6.39%
Aug 1, 1994 6.18%
Jul 1, 1994 6.13%
Jun 1, 1994 5.93%
May 1, 1994 5.97%
Apr 1, 1994 5.55%
Mar 1, 1994 5.00%
Feb 1, 1994 4.47%
Jan 1, 1994 4.14%
Dec 1, 1993 4.21%
Nov 1, 1993 4.16%
Oct 1, 1993 3.87%
Sep 1, 1993 3.85%
Aug 1, 1993 4.00%
Jul 1, 1993 4.07%
Jun 1, 1993 4.16%
May 1, 1993 3.98%
Apr 1, 1993 3.84%
Mar 1, 1993 3.95%
Feb 1, 1993 4.10%
Jan 1, 1993 4.39%
Dec 1, 1992 4.67%
Nov 1, 1992 4.58%
Oct 1, 1992 4.08%
Sep 1, 1992 3.89%
Aug 1, 1992 4.19%
Jul 1, 1992 4.36%
Jun 1, 1992 5.05%
May 1, 1992 5.23%
Apr 1, 1992 5.34%
Mar 1, 1992 5.68%
Feb 1, 1992 5.21%
Jan 1, 1992 4.96%
Dec 1, 1991 5.03%
Nov 1, 1991 5.56%
Oct 1, 1991 5.91%
Sep 1, 1991 6.18%
Aug 1, 1991 6.43%
Jul 1, 1991 6.92%
Jun 1, 1991 6.96%
May 1, 1991 6.78%
Apr 1, 1991 6.95%
Mar 1, 1991 7.10%
Feb 1, 1991 6.87%
Jan 1, 1991 7.13%
Dec 1, 1990 7.31%
Nov 1, 1990 7.60%
Oct 1, 1990 7.88%
Sep 1, 1990 8.08%
Aug 1, 1990 8.06%
Jul 1, 1990 8.16%
Jun 1, 1990 8.35%
May 1, 1990 8.64%
Apr 1, 1990 8.72%
Mar 1, 1990 8.63%
Feb 1, 1990 8.37%
Jan 1, 1990 8.09%