Date Value Value
Sep 23, 2016 2.02%
Sep 1, 2016 2.03%
Aug 1, 2016 1.89%
Jul 1, 2016 1.82%
Jun 1, 2016 2.02%
May 1, 2016 2.22%
Apr 1, 2016 2.21%
Mar 1, 2016 2.28%
Feb 1, 2016 2.20%
Jan 1, 2016 2.49%
Dec 1, 2015 2.61%
Nov 1, 2015 2.69%
Oct 1, 2015 2.50%
Sep 1, 2015 2.62%
Aug 1, 2015 2.55%
Jul 1, 2015 2.77%
Jun 1, 2015 2.85%
May 1, 2015 2.69%
Apr 1, 2015 2.33%
Mar 1, 2015 2.41%
Feb 1, 2015 2.34%
Jan 1, 2015 2.20%
Dec 1, 2014 2.55%
Nov 1, 2014 2.77%
Oct 1, 2014 2.77%
Sep 1, 2014 3.01%
Aug 1, 2014 2.94%
Jul 1, 2014 3.07%
Jun 1, 2014 3.15%
May 1, 2014 3.12%
Apr 1, 2014 3.27%
Mar 1, 2014 3.35%
Feb 1, 2014 3.38%
Jan 1, 2014 3.52%
Dec 1, 2013 3.63%
Nov 1, 2013 3.50%
Oct 1, 2013 3.38%
Sep 1, 2013 3.53%
Aug 1, 2013 3.49%
Jul 1, 2013 3.31%
Jun 1, 2013 3.07%
May 1, 2013 2.73%
Apr 1, 2013 2.55%
Mar 1, 2013 2.78%
Feb 1, 2013 2.78%
Jan 1, 2013 2.68%
Dec 1, 2012 2.47%
Nov 1, 2012 2.39%
Oct 1, 2012 2.51%
Sep 1, 2012 2.49%
Aug 1, 2012 2.40%
Jul 1, 2012 2.22%
Jun 1, 2012 2.31%
May 1, 2012 2.53%
Apr 1, 2012 2.82%
Mar 1, 2012 2.94%
Feb 1, 2012 2.75%
Jan 1, 2012 2.70%
Dec 1, 2011 2.67%
Nov 1, 2011 2.72%
Oct 1, 2011 2.87%
Sep 1, 2011 2.83%
Aug 1, 2011 3.24%
Jul 1, 2011 3.95%
Jun 1, 2011 3.91%
May 1, 2011 4.01%
Apr 1, 2011 4.28%
Mar 1, 2011 4.27%
Feb 1, 2011 4.42%
Jan 1, 2011 4.28%
Dec 1, 2010 4.17%
Nov 1, 2010 3.82%
Oct 1, 2010 3.52%
Sep 1, 2010 3.47%
Aug 1, 2010 3.52%
Jul 1, 2010 3.80%
Jun 1, 2010 3.95%
May 1, 2010 4.11%
Apr 1, 2010 4.53%
Mar 1, 2010 4.49%
Feb 1, 2010 4.48%
Jan 1, 2010 4.50%
Dec 1, 2009 4.40%
Nov 1, 2009 4.24%
Oct 1, 2009 4.16%
Sep 1, 2009 4.14%
Aug 1, 2009 4.33%
Jul 1, 2009 4.38%
Jun 1, 2009 4.51%
May 1, 2009 4.22%
Apr 1, 2009 3.84%
Mar 1, 2009 3.78%
Feb 1, 2009 3.83%
Jan 1, 2009 3.46%
Dec 1, 2008 3.18%
Nov 1, 2008 4.27%
Oct 1, 2008 4.45%
Sep 1, 2008 4.32%
Aug 1, 2008 4.53%
Jul 1, 2008 4.62%
Jun 1, 2008 4.74%
May 1, 2008 4.60%
Apr 1, 2008 4.44%
Mar 1, 2008 4.36%
Feb 1, 2008 4.49%
Jan 1, 2008 4.35%
Dec 1, 2007 4.57%
Nov 1, 2007 4.56%
Oct 1, 2007 4.83%
Sep 1, 2007 4.84%
Aug 1, 2007 5.00%
Jul 1, 2007 5.19%
Jun 1, 2007 5.29%
May 1, 2007 4.98%
Apr 1, 2007 4.95%
Mar 1, 2007 4.81%
Feb 1, 2007 4.93%
Jan 1, 2007 4.95%
Dec 1, 2006 4.78%
Nov 1, 2006 4.78%
Oct 1, 2006 4.94%
Sep 1, 2006 4.93%
Aug 1, 2006 5.08%
Jul 1, 2006 5.25%
Jun 1, 2006 5.29%
May 1, 2006 5.35%
Apr 1, 2006 5.22%
Mar 1, 2006 4.91%
Feb 1, 2006 4.73%
Jan 1, 2006 4.65%
Dec 1, 2005 4.73%
Nov 1, 2005 4.83%
Oct 1, 2005 4.74%
Sep 1, 2005 4.51%
Aug 1, 2005 4.53%
Jul 1, 2005 4.48%
Jun 1, 2005 4.35%
May 1, 2005 4.56%
Apr 1, 2005 4.75%
Mar 1, 2005 4.89%
Feb 1, 2005 4.61%
Jan 1, 2005 4.77%
Dec 1, 2004 4.88%
Nov 1, 2004 4.89%
Oct 1, 2004 4.85%
Sep 1, 2004 4.89%
Aug 1, 2004 5.07%
Jul 1, 2004 5.24%
Jun 1, 2004 5.45%
May 1, 2004 5.46%
Apr 1, 2004 5.16%
Mar 1, 2004 4.72%
Feb 1, 2004 4.94%
Jan 1, 2004 5.01%
Dec 1, 2003 5.11%
Nov 1, 2003 5.17%
Oct 1, 2003 5.21%
Sep 1, 2003 5.21%
Aug 1, 2003 5.39%
Jul 1, 2003 4.92%
Jun 1, 2003 4.34%
May 1, 2003 4.52%
Apr 1, 2003 4.91%
Mar 1, 2003 4.82%
Feb 1, 2003 4.87%
Jan 1, 2003 5.02%
Dec 1, 2002 5.01%
Nov 1, 2002 5.04%
Oct 1, 2002 5.00%
Sep 1, 2002 4.87%
Aug 1, 2002 5.19%
Jul 1, 2002 5.51%
Jun 1, 2002 5.65%
May 1, 2002 5.81%
Apr 1, 2002 5.85%
Mar 1, 2002 5.93%
Feb 1, 2002 5.61%
Jan 1, 2002 5.69%
Dec 1, 2001 5.76%
Nov 1, 2001 5.33%
Oct 1, 2001 5.34%
Sep 1, 2001 5.53%
Aug 1, 2001 5.58%
Jul 1, 2001 5.75%
Jun 1, 2001 5.82%
May 1, 2001 5.92%
Apr 1, 2001 5.78%
Mar 1, 2001 5.49%
Feb 1, 2001 5.62%
Jan 1, 2001 5.65%
Dec 1, 2000 5.64%
Nov 1, 2000 5.98%
Oct 1, 2000 6.04%
Sep 1, 2000 6.09%
Aug 1, 2000 6.02%
Jul 1, 2000 6.20%
Jun 1, 2000 6.28%
May 1, 2000 6.55%
Apr 1, 2000 6.18%
Mar 1, 2000 6.38%
Feb 1, 2000 6.54%
Jan 1, 2000 6.86%
Dec 1, 1999 6.69%
Nov 1, 1999 6.48%
Oct 1, 1999 6.66%
Sep 1, 1999 6.50%
Aug 1, 1999 6.43%
Jul 1, 1999 6.28%
Jun 1, 1999 6.36%
May 1, 1999 6.08%
Apr 1, 1999 5.82%
Mar 1, 1999 5.87%
Feb 1, 1999 5.66%
Jan 1, 1999 5.45%
Dec 1, 1998 5.36%
Nov 1, 1998 5.48%
Oct 1, 1998 5.30%
Sep 1, 1998 5.38%
Aug 1, 1998 5.66%
Jul 1, 1998 5.78%
Jun 1, 1998 5.80%
May 1, 1998 6.01%
Apr 1, 1998 6.00%
Mar 1, 1998 6.01%
Feb 1, 1998 5.96%
Jan 1, 1998 5.88%
Dec 1, 1997 6.07%
Nov 1, 1997 6.20%
Oct 1, 1997 6.38%
Sep 1, 1997 6.56%
Aug 1, 1997 6.65%
Jul 1, 1997 6.56%
Jun 1, 1997 6.84%
May 1, 1997 7.02%
Apr 1, 1997 7.20%
Mar 1, 1997 7.05%
Feb 1, 1997 6.77%
Jan 1, 1997 6.91%
Dec 1, 1996 6.65%
Nov 1, 1996 6.58%
Oct 1, 1996 6.90%
Sep 1, 1996 7.17%
Aug 1, 1996 6.97%
Jul 1, 1996 7.14%
Jun 1, 1996 7.22%
May 1, 1996 7.11%
Apr 1, 1996 6.98%
Mar 1, 1996 6.74%
Feb 1, 1996 6.30%
Jan 1, 1996 6.11%
Dec 1, 1995 6.12%
Nov 1, 1995 6.33%
Oct 1, 1995 6.45%
Sep 1, 1995 6.65%
Aug 1, 1995 6.92%
Jul 1, 1995 6.74%
Jun 1, 1995 6.59%
May 1, 1995 7.01%
Apr 1, 1995 7.45%
Mar 1, 1995 7.57%
Feb 1, 1995 7.73%
Jan 1, 1995 7.97%
Dec 1, 1994 7.99%
Nov 1, 1994 8.20%
Oct 1, 1994 8.08%
Sep 1, 1994 7.87%
Aug 1, 1994 7.62%
Jul 1, 1994 7.67%
Jun 1, 1994 7.51%
May 1, 1994 7.54%
Apr 1, 1994 7.40%
Mar 1, 1994 7.00%
Feb 1, 1994 6.57%
Jan 1, 1994 6.39%
Dec 1, 1993 6.40%
Nov 1, 1993 6.38%
Oct 1, 1993 6.07%