Quarter	Percent, Seasonally Adjusted
1999-01-01	8.10028140363804
1999-04-01	10.88505332364540
1999-07-01	10.56726574023330
1999-10-01	10.68360102155950
2000-01-01	12.69891516379020
2000-04-01	12.80870559489860
2000-07-01	12.16972578288330
2000-10-01	11.92005002907820
2001-01-01	11.54924361391170
2001-04-01	11.68583100669410
2001-07-01	12.53687406130970
2001-10-01	13.04947511835390
2002-01-01	15.36226442678780
2002-04-01	16.08846083586990
2002-07-01	15.26382684639070
2002-10-01	14.36618793702800
2003-01-01	15.34570156133920
2003-04-01	12.52359086635290
2003-07-01	12.93665414371700
2003-10-01	13.39686231135590
2004-01-01	15.63000644479760
2004-04-01	15.98100894762220
2004-07-01	15.44897305746280
2004-10-01	14.73921796146330
2005-01-01	15.12701149928670
2005-04-01	13.36921935828910
2005-07-01	13.05838827488570
2005-10-01	12.36135274790680
2006-01-01	11.25640854830820
2006-04-01	10.21399987841550
2006-07-01	8.86295690823904
2006-10-01	8.82799812305797
2007-01-01	8.84614008143261
2007-04-01	8.28634214293427
2007-07-01	8.35199351508922
2007-10-01	7.32661844119014
2008-01-01	7.74164904412180
2008-04-01	6.98869161323257
2008-07-01	5.61779806212516
2008-10-01	5.50453036001617
2009-01-01	6.52604202586784
2009-04-01	6.74264730388950
2009-07-01	7.54638769369931
2009-10-01	9.80720885009531
2010-01-01	10.00903103628980
2010-04-01	10.12756622204700
2010-07-01	9.56346743785801
2010-10-01	10.76519448406590
2011-01-01	10.22043250251910
2011-04-01	9.99195274094400
2011-07-01	9.43879088830813
2011-10-01	10.55083356376570
2012-01-01	11.11262052151460
2012-04-01	10.90148409046270
2012-07-01	11.45706219982790
2012-10-01	11.39414386104710
2013-01-01	10.44023112069430
2013-04-01	11.61443130142780
2013-07-01	10.80191542281340
2013-10-01	11.24340232385900
2014-01-01	12.56086767982480
2014-04-01	10.86322319642880
2014-07-01	9.08260655020395
2014-10-01	9.91188235218159
2015-01-01	10.45783489022170
2015-04-01	8.56019596073109
2015-07-01	8.50295753494997
2015-10-01	9.86024139837840
2016-01-01	9.55393139308492
2016-04-01	10.61990836598580
2016-07-01	8.00365494547537
2016-10-01	7.78450517321054
2017-01-01	6.23338957805365
2017-04-01	6.59248837745120
2017-07-01	5.60543254051070
2017-10-01	5.70974922936714
2018-01-01	5.27336719902617
2018-04-01	5.43085129663281