Date Value Value
Dec 7, 2016 0.63%
Dec 1, 2016 0.62%
Nov 1, 2016 0.58%
Oct 1, 2016 0.48%
Sep 1, 2016 0.47%
Aug 1, 2016 0.45%
Jul 1, 2016 0.40%
Jun 1, 2016 0.40%
May 1, 2016 0.42%
Apr 1, 2016 0.37%
Mar 1, 2016 0.47%
Feb 1, 2016 0.45%
Jan 1, 2016 0.43%
Dec 1, 2015 0.50%
Nov 1, 2015 0.33%
Oct 1, 2015 0.11%
Sep 1, 2015 0.18%
Aug 1, 2015 0.22%
Jul 1, 2015 0.12%
Jun 1, 2015 0.09%
May 1, 2015 0.08%
Apr 1, 2015 0.09%
Mar 1, 2015 0.11%
Feb 1, 2015 0.07%
Jan 1, 2015 0.08%
Dec 1, 2014 0.11%
Nov 1, 2014 0.07%
Oct 1, 2014 0.05%
Sep 1, 2014 0.04%
Aug 1, 2014 0.05%
Jul 1, 2014 0.06%
Jun 1, 2014 0.06%
May 1, 2014 0.05%
Apr 1, 2014 0.05%
Mar 1, 2014 0.08%
Feb 1, 2014 0.08%
Jan 1, 2014 0.07%
Dec 1, 2013 0.10%
Nov 1, 2013 0.10%
Oct 1, 2013 0.08%
Sep 1, 2013 0.04%
Aug 1, 2013 0.07%
Jul 1, 2013 0.07%
Jun 1, 2013 0.09%
May 1, 2013 0.08%
Apr 1, 2013 0.09%
Mar 1, 2013 0.11%
Feb 1, 2013 0.12%
Jan 1, 2013 0.11%
Dec 1, 2012 0.12%
Nov 1, 2012 0.14%
Oct 1, 2012 0.15%
Sep 1, 2012 0.14%
Aug 1, 2012 0.14%
Jul 1, 2012 0.15%
Jun 1, 2012 0.15%
May 1, 2012 0.15%
Apr 1, 2012 0.14%
Mar 1, 2012 0.14%
Feb 1, 2012 0.12%
Jan 1, 2012 0.07%
Dec 1, 2011 0.05%
Nov 1, 2011 0.05%
Oct 1, 2011 0.05%
Sep 1, 2011 0.04%
Aug 1, 2011 0.06%
Jul 1, 2011 0.08%
Jun 1, 2011 0.10%
May 1, 2011 0.09%
Apr 1, 2011 0.12%
Mar 1, 2011 0.16%
Feb 1, 2011 0.17%
Jan 1, 2011 0.18%
Dec 1, 2010 0.19%
Nov 1, 2010 0.18%
Oct 1, 2010 0.18%
Sep 1, 2010 0.19%
Aug 1, 2010 0.19%
Jul 1, 2010 0.20%
Jun 1, 2010 0.19%
May 1, 2010 0.22%
Apr 1, 2010 0.24%
Mar 1, 2010 0.23%
Feb 1, 2010 0.18%
Jan 1, 2010 0.15%
Dec 1, 2009 0.17%
Nov 1, 2009 0.15%
Oct 1, 2009 0.16%
Sep 1, 2009 0.21%
Aug 1, 2009 0.27%
Jul 1, 2009 0.28%
Jun 1, 2009 0.31%
May 1, 2009 0.30%
Apr 1, 2009 0.35%
Mar 1, 2009 0.43%
Feb 1, 2009 0.46%
Jan 1, 2009 0.30%
Dec 1, 2008 0.26%
Nov 1, 2008 0.74%
Oct 1, 2008 1.23%
Sep 1, 2008 1.64%
Aug 1, 2008 1.97%
Jul 1, 2008 1.98%
Jun 1, 2008 2.19%
May 1, 2008 1.86%
Apr 1, 2008 1.58%
Mar 1, 2008 1.51%
Feb 1, 2008 2.10%
Jan 1, 2008 2.84%
Dec 1, 2007 3.34%
Nov 1, 2007 3.58%
Oct 1, 2007 4.16%
Sep 1, 2007 4.20%
Aug 1, 2007 4.55%
Jul 1, 2007 5.04%
Jun 1, 2007 4.95%
May 1, 2007 4.98%
Apr 1, 2007 5.07%
Mar 1, 2007 5.10%
Feb 1, 2007 5.16%
Jan 1, 2007 5.15%
Dec 1, 2006 5.07%
Nov 1, 2006 5.15%
Oct 1, 2006 5.12%
Sep 1, 2006 5.08%
Aug 1, 2006 5.17%
Jul 1, 2006 5.27%
Jun 1, 2006 5.17%
May 1, 2006 5.01%
Apr 1, 2006 4.90%
Mar 1, 2006 4.79%
Feb 1, 2006 4.69%
Jan 1, 2006 4.47%
Dec 1, 2005 4.33%
Nov 1, 2005 4.30%
Oct 1, 2005 4.12%
Sep 1, 2005 3.79%
Aug 1, 2005 3.78%
Jul 1, 2005 3.53%
Jun 1, 2005 3.22%
May 1, 2005 3.17%
Apr 1, 2005 3.14%
Mar 1, 2005 3.09%
Feb 1, 2005 2.85%
Jan 1, 2005 2.68%
Dec 1, 2004 2.50%
Nov 1, 2004 2.32%
Oct 1, 2004 2.05%
Sep 1, 2004 1.91%
Aug 1, 2004 1.76%
Jul 1, 2004 1.70%
Jun 1, 2004 1.64%
May 1, 2004 1.33%
Apr 1, 2004 1.11%
Mar 1, 2004 1.01%
Feb 1, 2004 1.01%
Jan 1, 2004 0.99%
Dec 1, 2003 1.01%
Nov 1, 2003 1.04%
Oct 1, 2003 1.02%
Sep 1, 2003 1.03%
Aug 1, 2003 1.05%
Jul 1, 2003 0.97%
Jun 1, 2003 0.94%
May 1, 2003 1.11%
Apr 1, 2003 1.17%
Mar 1, 2003 1.16%
Feb 1, 2003 1.20%
Jan 1, 2003 1.22%
Dec 1, 2002 1.27%
Nov 1, 2002 1.30%
Oct 1, 2002 1.59%
Sep 1, 2002 1.64%
Aug 1, 2002 1.64%
Jul 1, 2002 1.74%
Jun 1, 2002 1.83%
May 1, 2002 1.91%
Apr 1, 2002 1.97%
Mar 1, 2002 2.06%
Feb 1, 2002 1.86%
Jan 1, 2002 1.77%
Dec 1, 2001 1.82%
Nov 1, 2001 1.92%
Oct 1, 2001 2.17%
Sep 1, 2001 2.71%
Aug 1, 2001 3.39%
Jul 1, 2001 3.56%
Jun 1, 2001 3.56%
May 1, 2001 3.74%
Apr 1, 2001 3.99%
Mar 1, 2001 4.44%
Feb 1, 2001 4.89%
Jan 1, 2001 5.15%
Dec 1, 2000 5.92%
Nov 1, 2000 6.34%
Oct 1, 2000 6.32%
Sep 1, 2000 6.25%
Aug 1, 2000 6.35%
Jul 1, 2000 6.27%
Jun 1, 2000 6.24%
May 1, 2000 6.39%
Apr 1, 2000 6.07%
Mar 1, 2000 6.11%
Feb 1, 2000 6.00%
Jan 1, 2000 5.76%
Dec 1, 1999 5.68%
Nov 1, 1999 5.43%
Oct 1, 1999 5.20%
Sep 1, 1999 5.08%
Aug 1, 1999 5.09%
Jul 1, 1999 4.75%
Jun 1, 1999 5.03%
May 1, 1999 4.75%
Apr 1, 1999 4.54%
Mar 1, 1999 4.65%
Feb 1, 1999 4.61%
Jan 1, 1999 4.49%
Dec 1, 1998 4.57%
Nov 1, 1998 4.59%
Oct 1, 1998 4.20%
Sep 1, 1998 4.81%
Aug 1, 1998 5.15%
Jul 1, 1998 5.23%
Jun 1, 1998 5.32%
May 1, 1998 5.36%
Apr 1, 1998 5.26%
Mar 1, 1998 5.25%
Feb 1, 1998 5.27%
Jan 1, 1998 5.23%
Dec 1, 1997 5.45%
Nov 1, 1997 5.38%
Oct 1, 1997 5.30%
Sep 1, 1997 5.30%
Aug 1, 1997 5.40%
Jul 1, 1997 5.33%
Jun 1, 1997 5.34%
May 1, 1997 5.53%
Apr 1, 1997 5.60%
Mar 1, 1997 5.48%
Feb 1, 1997 5.27%
Jan 1, 1997 5.31%
Dec 1, 1996 5.24%
Nov 1, 1996 5.27%
Oct 1, 1996 5.32%
Sep 1, 1996 5.45%
Aug 1, 1996 5.34%
Jul 1, 1996 5.52%
Jun 1, 1996 5.46%
May 1, 1996 5.33%
Apr 1, 1996 5.27%
Mar 1, 1996 5.16%
Feb 1, 1996 4.97%
Jan 1, 1996 5.13%
Dec 1, 1995 5.35%
Nov 1, 1995 5.51%
Oct 1, 1995 5.56%
Sep 1, 1995 5.54%
Aug 1, 1995 5.65%
Jul 1, 1995 5.62%
Jun 1, 1995 5.66%
May 1, 1995 5.93%
Apr 1, 1995 6.05%
Mar 1, 1995 6.17%
Feb 1, 1995 6.31%
Jan 1, 1995 6.51%
Dec 1, 1994 6.50%
Nov 1, 1994 5.97%
Oct 1, 1994 5.62%
Sep 1, 1994 5.24%
Aug 1, 1994 5.08%
Jul 1, 1994 4.95%
Jun 1, 1994 4.72%
May 1, 1994 4.79%
Apr 1, 1994 4.25%
Mar 1, 1994 3.91%
Feb 1, 1994 3.53%
Jan 1, 1994 3.25%
Dec 1, 1993 3.34%
Nov 1, 1993 3.36%
Oct 1, 1993 3.22%
Sep 1, 1993 3.15%
Aug 1, 1993 3.24%
Jul 1, 1993 3.26%
Jun 1, 1993 3.29%
May 1, 1993 3.17%
Apr 1, 1993 3.06%
Mar 1, 1993 3.15%
Feb 1, 1993 3.16%
Jan 1, 1993 3.24%
Dec 1, 1992 3.47%
Nov 1, 1992 3.44%
Oct 1, 1992 3.13%
Sep 1, 1992 3.04%
Aug 1, 1992 3.31%
Jul 1, 1992 3.38%
Jun 1, 1992 3.90%
May 1, 1992 3.88%
Apr 1, 1992 4.00%
Mar 1, 1992 4.33%
Feb 1, 1992 4.08%
Jan 1, 1992 4.01%
Dec 1, 1991 4.26%
Nov 1, 1991 4.80%
Oct 1, 1991 5.26%
Sep 1, 1991 5.48%
Aug 1, 1991 5.63%
Jul 1, 1991 5.97%
Jun 1, 1991 6.02%
May 1, 1991 5.87%
Apr 1, 1991 5.98%
Mar 1, 1991 6.20%
Feb 1, 1991 6.19%
Jan 1, 1991 6.58%
Dec 1, 1990 7.03%
Nov 1, 1990 7.39%
Oct 1, 1990 7.53%
Sep 1, 1990 7.70%
Aug 1, 1990 7.77%
Jul 1, 1990 7.92%
Jun 1, 1990 8.05%
May 1, 1990 8.19%
Apr 1, 1990 8.27%
Mar 1, 1990 8.28%
Feb 1, 1990 8.12%
Jan 1, 1990 7.96%