Quarter	Percent, Seasonally Adjusted
2007-01-01	56.1381436374469
2007-04-01	56.6028748821254
2007-07-01	56.8854555294916
2007-10-01	57.2795763634642
2008-01-01	57.6872894729895
2008-04-01	57.1259405390278
2008-07-01	57.1476196535733
2008-10-01	55.7632811773893
2009-01-01	58.0494720569561
2009-04-01	59.1821722657712
2009-07-01	58.8158835790148
2009-10-01	59.4405428429982
2010-01-01	59.8804768029084
2010-04-01	59.9147484415022
2010-07-01	60.5973410169115
2010-10-01	60.2667470396518
2011-01-01	60.8438622782265
2011-04-01	60.7566990692521
2011-07-01	61.5126087940343
2011-10-01	62.5874760317356
2012-01-01	62.7500467092013
2012-04-01	62.6716985553893
2012-07-01	62.4529575272453
2012-10-01	62.1475155355809
2013-01-01	62.2185466561176
2013-04-01	62.5824152106316
2013-07-01	63.0113510412916
2013-10-01	62.8283138889346
2014-01-01	62.7262149148164
2014-04-01	62.8600271622874
2014-07-01	63.3661074139566
2014-10-01	63.2756648041424
2015-01-01	63.4028351590316
2015-04-01	63.4355946144918
2015-07-01	63.4113982032916
2015-10-01	63.7651006464292
2016-01-01	63.0452465843341
2016-04-01	63.0629778954124
2016-07-01	62.7210555624679
2016-10-01	62.9835030975132
2017-01-01	62.7785106441313
2017-04-01	62.9806185004269
2017-07-01	62.6262977082245
2017-10-01	62.2079123429294
2018-01-01	62.1047988194581
2018-04-01	62.1855116753515