Quarter	Percent, Not Seasonally adjusted
1999-01-01	32.9328904100000
1999-04-01	33.8581831900000
1999-07-01	35.8503802500000
1999-10-01	34.7607860300000
2000-01-01	33.1405396100000
2000-04-01	34.8268032400000
2000-07-01	36.1332495100000
2000-10-01	34.3085190400000
2001-01-01	32.5564340800000
2001-04-01	33.6696391700000
2001-07-01	34.6864987400000
2001-10-01	33.0292113300000
2002-01-01	33.7577407500000
2002-04-01	33.8262405600000
2002-07-01	36.1835280400000
2002-10-01	33.0478003700000
2003-01-01	31.7018936600000
2003-04-01	32.1747467100000
2003-07-01	33.6970892200000
2003-10-01	31.6209446400000
2004-01-01	31.3624706200000
2004-04-01	33.4478930400000
2004-07-01	33.9876175300000
2004-10-01	31.5832668900000
2005-01-01	32.1280169800000
2005-04-01	33.4134289700000
2005-07-01	33.9773172700000
2005-10-01	32.9726923600000
2006-01-01	32.2757663500000
2006-04-01	31.4933014900000
2006-07-01	34.3948980600000
2006-10-01	31.9339352100000
2007-01-01	32.4590560200000
2007-04-01	33.9836210500000
2007-07-01	35.4016556100000
2007-10-01	33.0193763900000
2008-01-01	35.0272505500000
2008-04-01	36.2346444600000
2008-07-01	38.0979177600000
2008-10-01	34.4920698100000
2009-01-01	34.0854288700000
2009-04-01	34.0964841100000
2009-07-01	35.8088882600000
2009-10-01	33.3263607600000
2010-01-01	31.8213350700000
2010-04-01	33.7674460933333
2010-07-01	36.4303833600000
2010-10-01	34.7168516066667
2011-01-01	33.6196920900000
2011-04-01	34.0864235100000
2011-07-01	37.1356876800000
2011-10-01	35.1408119133333
2012-01-01	32.5414072533333
2012-04-01	32.6462260433333
2012-07-01	35.9559019533333
2012-10-01	33.6377364033333
2013-01-01	33.3756752600000
2013-04-01	33.5720098766667
2013-07-01	35.3855724766667
2013-10-01	34.9299034866667
2014-01-01	33.4932085966667
2014-04-01	32.1991149966667
2014-07-01	34.3203803866667
2014-10-01	33.7380001700000
2015-01-01	31.5862403600000
2015-04-01	30.9556108000000
2015-07-01	32.6596401033333