Quarter Percent 1999-01-01 46.3613879937046 1999-04-01 46.8952037287626 1999-07-01 47.1330917784169 1999-10-01 46.3043478260870 2000-01-01 47.2218073188947 2000-04-01 47.2467988203233 2000-07-01 46.6277852549723 2000-10-01 47.0324748040314 2001-01-01 46.8029739776952 2001-04-01 46.8406184953910 2001-07-01 47.7906717250614 2001-10-01 47.9221697235760 2002-01-01 46.8522642910171 2002-04-01 47.4593834425077 2002-07-01 46.7631237247264 2002-10-01 46.8274815938436 2003-01-01 45.4048463356974 2003-04-01 46.2157869464042 2003-07-01 46.7156518849463 2003-10-01 46.3141971664699 2004-01-01 46.0036832412523 2004-04-01 46.9591483405164 2004-07-01 47.7045320776928 2004-10-01 46.8578782864497 2005-01-01 46.5504560164754 2005-04-01 46.3566687447284 2005-07-01 47.2889247351248 2005-10-01 48.0849658815761 2006-01-01 47.4600498460636 2006-04-01 47.7444159648480 2006-07-01 48.4014924281220 2006-10-01 48.0302311146811 2007-01-01 47.5691793025708 2007-04-01 47.8123410131550 2007-07-01 47.7291704483572 2007-10-01 47.9633363886343 2008-01-01 47.6817836331391 2008-04-01 48.2916952890560 2008-07-01 48.4447816191612 2008-10-01 48.5558916738692 2009-01-01 47.7220382899093 2009-04-01 47.6520926218898 2009-07-01 47.6142569703938 2009-10-01 46.1739722590588 2010-01-01 46.2095156205216 2010-04-01 46.7182019898361 2010-07-01 46.4532284027902 2010-10-01 45.3984227241908 2011-01-01 45.3867826955312 2011-04-01 46.0630903582249 2011-07-01 46.0055587229190 2011-10-01 45.1772318412913 2012-01-01 45.1818149504141 2012-04-01 45.5491616936630 2012-07-01 45.5672373375009 2012-10-01 44.9126413155190 2013-01-01 44.6522170279076 2013-04-01 45.4410307234886 2013-07-01 45.8454243046217 2013-10-01 44.8385389094759 2014-01-01 44.1179583054076 2014-04-01 44.8891864275396 2014-07-01 45.6863159377421 2014-10-01 45.7996768982229