Quarter	Percent, Seasonally Adjusted
2002-01-01	58.0010020835148
2002-04-01	58.8138326609505
2002-07-01	60.6976793394716
2002-10-01	59.7263357450092
2003-01-01	60.5200459500107
2003-04-01	59.7057157860754
2003-07-01	59.9987550074691
2003-10-01	60.3595653285279
2004-01-01	59.9130074450489
2004-04-01	61.1962409092518
2004-07-01	59.9493876607903
2004-10-01	60.4989202643540
2005-01-01	61.4514314805833
2005-04-01	61.1503149088240
2005-07-01	61.8591087656603
2005-10-01	62.3216752104948
2006-01-01	64.8921196914907
2006-04-01	64.0806165856942
2006-07-01	67.3193881642149
2006-10-01	66.3318021705741
2007-01-01	65.7602333554134
2007-04-01	67.5070009399656
2007-07-01	68.9262405576326
2007-10-01	69.1275348029470
2008-01-01	68.1149727963372
2008-04-01	68.6752994069192
2008-07-01	66.8472664669628
2008-10-01	64.6405493918805
2009-01-01	60.2350375169063
2009-04-01	57.0943591745445
2009-07-01	53.9223452766583
2009-10-01	52.1810153639894
2010-01-01	51.0341517627108
2010-04-01	52.5429281942701
2010-07-01	53.7651811692296
2010-10-01	54.8772599831136
2011-01-01	55.2057989950171
2011-04-01	55.8176383464393
2011-07-01	56.4058584100138
2011-10-01	57.5824136106126
2012-01-01	57.5205013630147
2012-04-01	58.7053996790283
2012-07-01	60.2606761883362
2012-10-01	60.1445958767362
2013-01-01	60.6521463938401
2013-04-01	60.7960926246463
2013-07-01	62.0301921849306
2013-10-01	62.7201368322762
2014-01-01	61.7540081277818
2014-04-01	62.4485219974784
2014-07-01	62.8252707634663
2014-10-01	64.0435933073850
2015-01-01	64.0763530737651
2015-04-01	64.3478165429895
2015-07-01	63.9185013127714
2015-10-01	64.9558357444718
2016-01-01	64.5183068788263
2016-04-01	64.8844537616306
2016-07-01	64.2224960212808
2016-10-01	63.8182906219392
2017-01-01	65.0669297406683
2017-04-01	65.5183118820287
2017-07-01	66.4723786331847
2017-10-01	67.0522044696463
2018-01-01	67.1070506041714
2018-04-01	67.1736589186223