Quarter	Percent, Seasonally Adjusted
2007-01-01	55.9114546762210
2007-04-01	55.1052868197744
2007-07-01	56.1059923171489
2007-10-01	56.6467965138573
2008-01-01	55.2134942282828
2008-04-01	56.7713607895121
2008-07-01	56.2279663445081
2008-10-01	55.8095040089006
2009-01-01	58.2778587524373
2009-04-01	58.4145338605014
2009-07-01	57.8181539651288
2009-10-01	58.1580632431661
2010-01-01	57.8101740865396
2010-04-01	57.1237470647405
2010-07-01	57.7766979922813
2010-10-01	58.0828355887225
2011-01-01	58.6056773618476
2011-04-01	57.3630439068500
2011-07-01	57.0948480639869
2011-10-01	57.2934856184358
2012-01-01	58.1537050432847
2012-04-01	58.3187529797409
2012-07-01	59.4765727875732
2012-10-01	59.0401613795788
2013-01-01	58.9800366532385
2013-04-01	59.5197530212834
2013-07-01	59.4159714835364
2013-10-01	59.6499761542417
2014-01-01	60.5925993293643
2014-04-01	59.8480481889881
2014-07-01	59.3830375867425
2014-10-01	60.5080761350130
2015-01-01	60.7081936556699
2015-04-01	60.4355147583946
2015-07-01	59.7886990518650
2015-10-01	58.9920727347283
2016-01-01	58.6312406141497
2016-04-01	58.7799248925800
2016-07-01	58.9476640235705
2016-10-01	59.2669723179700
2017-01-01	59.4161060133329
2017-04-01	58.9930813228051
2017-07-01	59.8837707872162
2017-10-01	58.9558394827136
2018-01-01	59.9280705429657
2018-04-01	59.2962714487347