Quarter	Percent, Seasonally Adjusted
2000-01-01	67.7185844035718
2000-04-01	68.3698658789649
2000-07-01	68.6056473968955
2000-10-01	70.0826340103921
2001-01-01	70.6224059761857
2001-04-01	70.3438597418887
2001-07-01	70.7598143311398
2001-10-01	69.9049695962328
2002-01-01	69.9340340346422
2002-04-01	70.4701552070901
2002-07-01	69.9731172038211
2002-10-01	69.7850526405281
2003-01-01	69.4308534350946
2003-04-01	68.6253732320763
2003-07-01	68.2100226186300
2003-10-01	67.1238747629735
2004-01-01	66.7858381293411
2004-04-01	66.1231999764209
2004-07-01	65.5091833965924
2004-10-01	65.0657667131157
2005-01-01	65.2448641432540
2005-04-01	65.0803630921145
2005-07-01	65.1987943387283
2005-10-01	65.2888205155691
2006-01-01	65.7603513146573
2006-04-01	66.0394492754359
2006-07-01	66.1190677924981
2006-10-01	66.7354480158188
2007-01-01	67.5773038309725
2007-04-01	68.4690032413667
2007-07-01	69.1741464472937
2007-10-01	68.4980871565497
2008-01-01	69.2246066483426
2008-04-01	69.2255343223637
2008-07-01	69.3261597650924
2008-10-01	69.4569224397076
2009-01-01	69.4128552775224
2009-04-01	68.3344649174978
2009-07-01	67.5017582732779
2009-10-01	66.6557380260823
2010-01-01	63.4074322616934
2010-04-01	63.1468697027454
2010-07-01	62.9249076106667
2010-10-01	62.5607287861167
2011-01-01	60.8494414224141
2011-04-01	61.0955462693390
2011-07-01	61.4521505770774
2011-10-01	61.6992621651173
2012-01-01	61.4856779303204
2012-04-01	61.0273215672572
2012-07-01	61.0567756359390
2012-10-01	60.8603788591122
2013-01-01	60.7407542782689
2013-04-01	60.4821111889591
2013-07-01	59.6860541630183
2013-10-01	59.4270955530999
2014-01-01	58.6313890962201
2014-04-01	58.3008505133033
2014-07-01	58.7521638355981
2014-10-01	59.4479908203706
2015-01-01	60.8892732229242
2015-04-01	61.2293756781942
2015-07-01	60.6660586544938
2015-10-01	60.2713160633552
2016-01-01	60.5589056233891
2016-04-01	60.9616196698545
2016-07-01	60.9340218622170
2016-10-01	60.8265872975194
2017-01-01	61.4816816146533
2017-04-01	61.8283362496359
2017-07-01	62.6512992803552
2017-10-01	63.1921879323715
2018-01-01	63.8003624954275
2018-04-01	63.7873187651023