Quarter	Percent, Seasonally Adjusted
2000-01-01	62.5072941112706
2000-04-01	61.3659578494397
2000-07-01	60.4764482904453
2000-10-01	59.7352241095507
2001-01-01	59.9209290742876
2001-04-01	60.1405148510790
2001-07-01	60.0739968575010
2001-10-01	59.1164323528793
2002-01-01	58.2792966175145
2002-04-01	57.1480382864966
2002-07-01	55.7900585041770
2002-10-01	55.7408894967828
2003-01-01	54.6201238378819
2003-04-01	54.5274863122233
2003-07-01	54.3863145800443
2003-10-01	54.5245263608535
2004-01-01	53.6340508048930
2004-04-01	53.7718298834253
2004-07-01	52.8477393815823
2004-10-01	52.2976982466979
2005-01-01	52.2847351916489
2005-04-01	51.9085806195474
2005-07-01	51.7122973629699
2005-10-01	51.7408157681668
2006-01-01	51.8204686793547
2006-04-01	50.7556297527878
2006-07-01	49.9679811295353
2006-10-01	49.2307671575751
2007-01-01	48.2849937212919
2007-04-01	47.1962242061474
2007-07-01	46.7184492056683
2007-10-01	46.7400004622287
2008-01-01	46.2937661790249
2008-04-01	45.5393175285708
2008-07-01	44.8859589833336
2008-10-01	44.3141309792311
2009-01-01	43.3688890018280
2009-04-01	43.6159739748764
2009-07-01	42.8262921066245
2009-10-01	42.8206119680057
2010-01-01	44.6834424517102
2010-04-01	44.3068301955903
2010-07-01	43.8180529964890
2010-10-01	43.4417492544276
2011-01-01	43.3727006501505
2011-04-01	42.6664185006314
2011-07-01	41.7718414442885
2011-10-01	40.6484276966144
2012-01-01	40.2225111119334
2012-04-01	39.2874070553537
2012-07-01	39.0606942469945
2012-10-01	38.1940353753977
2013-01-01	37.7064741554400
2013-04-01	36.8478243684432
2013-07-01	35.8892005358475
2013-10-01	35.5699292018323
2014-01-01	35.8622739093268
2014-04-01	35.3967755664014
2014-07-01	34.7222285760901
2014-10-01	34.4819143825816
2015-01-01	33.6323208133810
2015-04-01	32.7544796434564
2015-07-01	32.7044680031497
2015-10-01	32.3876003456691
2016-01-01	31.8688077318848
2016-04-01	31.6747998432082
2016-07-01	31.6030641729274
2016-10-01	31.3691558132550
2017-01-01	31.0392790286847
2017-04-01	30.3205101108239
2017-07-01	30.4171527245567
2017-10-01	30.1274180875755
2018-01-01	30.0956486391306
2018-04-01	29.3560767185582