Quarter	Percent, Seasonally Adjusted
2005-01-01	51.2097009456602
2005-04-01	50.6945158050725
2005-07-01	50.4632977964021
2005-10-01	50.6852267210331
2006-01-01	50.2151271900691
2006-04-01	50.5281550523665
2006-07-01	50.3832173956781
2006-10-01	49.6602854498625
2007-01-01	50.4724043385819
2007-04-01	50.5597476297392
2007-07-01	50.5866989662755
2007-10-01	49.1783459912661
2008-01-01	49.8297507616889
2008-04-01	49.2086845850633
2008-07-01	51.3237263605571
2008-10-01	51.7060569823378
2009-01-01	51.5967927134235
2009-04-01	52.0512017748315
2009-07-01	52.3120964026779
2009-10-01	52.1868441800338
2010-01-01	51.9253287128796
2010-04-01	51.9138752344727
2010-07-01	52.9624200233863
2010-10-01	53.3254220598787
2011-01-01	52.6202678258607
2011-04-01	52.9103893174698
2011-07-01	52.8811751976914
2011-10-01	52.4067521823134
2012-01-01	53.2864127460678
2012-04-01	53.4066603513923
2012-07-01	53.2205314201686
2012-10-01	52.8835217924635
2013-01-01	52.9562917506985
2013-04-01	53.0671587230625
2013-07-01	52.7559161083000
2013-10-01	53.0215113522639
2014-01-01	53.9604626005878
2014-04-01	53.7331122363379
2014-07-01	53.9379705301579
2014-10-01	53.8842034798188
2015-01-01	53.9171752143552
2015-04-01	54.3733021832068
2015-07-01	54.5414027642702
2015-10-01	54.9453052104810
2016-01-01	55.7069773498605
2016-04-01	55.6349306745014
2016-07-01	55.4553836563998
2016-10-01	55.8074036744094
2017-01-01	55.6174732365289
2017-04-01	56.1657094442728
2017-07-01	55.6300748704559
2017-10-01	55.9217321556135
2018-01-01	55.8280338658397
2018-04-01	55.7654207540888