Quarter	Percent, Not Seasonally adjusted
1999-01-01	32.2518669000000
1999-04-01	34.8649132800000
1999-07-01	36.0073014900000
1999-10-01	36.0114394100000
2000-01-01	33.6767405800000
2000-04-01	36.3567410200000
2000-07-01	35.0684842600000
2000-10-01	33.9588335800000
2001-01-01	31.5388431700000
2001-04-01	31.8787382700000
2001-07-01	32.3223206700000
2001-10-01	32.0198996200000
2002-01-01	33.6719388300000
2002-04-01	35.5425802800000
2002-07-01	36.8518441900000
2002-10-01	34.7632753200000
2003-01-01	35.5785048800000
2003-04-01	37.7364038800000
2003-07-01	38.6327276100000
2003-10-01	37.2584321800000
2004-01-01	41.0917584600000
2004-04-01	42.1772843300000
2004-07-01	44.2253008100000
2004-10-01	41.8601651200000
2005-01-01	44.2806597200000
2005-04-01	45.8912542500000
2005-07-01	46.6502109400000
2005-10-01	46.9631870200000
2006-01-01	47.4866393700000
2006-04-01	49.5010103200000
2006-07-01	49.6222603500000
2006-10-01	48.4215893400000
2007-01-01	51.6823846500000
2007-04-01	51.7161734000000
2007-07-01	52.8604838400000
2007-10-01	51.8785462800000
2008-01-01	49.3429235400000
2008-04-01	51.5080425600000
2008-07-01	51.2538590300000
2008-10-01	49.6969160500000
2009-01-01	47.8071889200000
2009-04-01	48.4483791400000
2009-07-01	48.8322305900000
2009-10-01	47.7889289100000
2010-01-01	46.3576319800000
2010-04-01	47.2431039566667
2010-07-01	47.7490268633333
2010-10-01	45.6424766766667
2011-01-01	45.1763442933333
2011-04-01	46.9023242266667
2011-07-01	48.0016549766667
2011-10-01	46.5056017733333
2012-01-01	45.7865112733333
2012-04-01	48.1483344766667
2012-07-01	48.2479957533333
2012-10-01	46.3527637133333
2013-01-01	46.6469408166667
2013-04-01	47.4592123366667
2013-07-01	48.3532458300000
2013-10-01	46.7579472600000
2014-01-01	46.0671870933333
2014-04-01	48.1459976800000
2014-07-01	48.3353985900000
2014-10-01	46.8798947766667
2015-01-01	46.7406617533333
2015-04-01	48.0844326266667
2015-07-01	48.7748808166667