Quarter	Percent, Seasonally Adjusted
2000-01-01	60.2765688545725
2000-04-01	59.9364467514291
2000-07-01	59.7500290734202
2000-10-01	59.7815602328425
2001-01-01	59.7581514983909
2001-04-01	59.9678367906827
2001-07-01	59.8213165065583
2001-10-01	59.4441726302980
2002-01-01	59.1496049834341
2002-04-01	58.7078180026357
2002-07-01	58.5059519132993
2002-10-01	58.2875517740414
2003-01-01	58.1219361643907
2003-04-01	58.1525750493114
2003-07-01	57.9771337363210
2003-10-01	57.9300117481392
2004-01-01	58.1179758595441
2004-04-01	57.8382407311144
2004-07-01	57.8456602573956
2004-10-01	57.9906476085780
2005-01-01	58.0185863220898
2005-04-01	58.1726080604684
2005-07-01	58.2067392269815
2005-10-01	57.9642729799155
2006-01-01	57.2983903820864
2006-04-01	56.9050053350453
2006-07-01	56.6297064250537
2006-10-01	56.3191935710198
2007-01-01	56.3677732389413
2007-04-01	56.4547407429008
2007-07-01	56.4671719748116
2007-10-01	56.6210961661832
2008-01-01	56.7527370942324
2008-04-01	56.8433566165004
2008-07-01	57.0487845402334
2008-10-01	57.1746308683553
2009-01-01	57.6740106167104
2009-04-01	57.6800801870362
2009-07-01	57.7907439771080
2009-10-01	58.1108428113937
2010-01-01	58.3144222008387
2010-04-01	58.5775073923676
2010-07-01	58.6709042528213
2010-10-01	58.5467587788481
2011-01-01	58.6757612138844
2011-04-01	58.7416795152917
2011-07-01	58.8762598736728
2011-10-01	59.1952259725404
2012-01-01	59.5178491675010
2012-04-01	59.6822236330190
2012-07-01	59.7747506820450
2012-10-01	59.9094078797762
2013-01-01	59.6932615642040
2013-04-01	60.0458232440169
2013-07-01	60.3321848106028
2013-10-01	60.5313480314520
2014-01-01	61.0301078286344
2014-04-01	61.0089189623018
2014-07-01	61.1002699529719
2014-10-01	61.2801380108544
2015-01-01	61.2135383519529
2015-04-01	61.3210745743692
2015-07-01	61.4922096022649
2015-10-01	61.5642477318458
2016-01-01	61.7500249004238
2016-04-01	61.8019588768016
2016-07-01	62.0482287403177
2016-10-01	62.2141739498508
2017-01-01	62.3738080184576
2017-04-01	62.6046913784190
2017-07-01	62.6110085003787
2017-10-01	62.7288764989299
2018-01-01	62.8837442786336
2018-04-01	63.0740212684630