Quarter	Percent, Seasonally Adjusted
2002-01-01	47.6952514462340
2002-04-01	49.3471651938323
2002-07-01	49.2158971031471
2002-10-01	50.6406729371840
2003-01-01	49.0873631115155
2003-04-01	49.4063874751325
2003-07-01	50.8241162321916
2003-10-01	49.3273948274843
2004-01-01	50.4289118885747
2004-04-01	49.3454837061012
2004-07-01	50.3905988299432
2004-10-01	50.5528750222304
2005-01-01	48.8230258963093
2005-04-01	51.3539903551021
2005-07-01	50.6639496719793
2005-10-01	52.5321184335168
2006-01-01	52.2662474853232
2006-04-01	55.2823566184137
2006-07-01	55.5627616281186
2006-10-01	54.7983346203163
2007-01-01	54.7354825466444
2007-04-01	55.9102062277028
2007-07-01	56.8054339188343
2007-10-01	57.6554021417169
2008-01-01	57.9591100076260
2008-04-01	58.3352259413129
2008-07-01	57.5736000303248
2008-10-01	56.1768556974704
2009-01-01	56.4942766802465
2009-04-01	53.6334312494231
2009-07-01	50.4166114254485
2009-10-01	50.8685006994891
2010-01-01	51.3893113683039
2010-04-01	50.6936114799528
2010-07-01	51.6878560613361
2010-10-01	50.7461482185898
2011-01-01	50.8065959590732
2011-04-01	52.2367597718807
2011-07-01	52.7401464129208
2011-10-01	52.4989834831889
2012-01-01	52.4836803249930
2012-04-01	52.9958345273306
2012-07-01	54.1108512234208
2012-10-01	54.4857224172251
2013-01-01	55.1647719223414
2013-04-01	55.4995052587280
2013-07-01	55.6192211193626
2013-10-01	54.7809870360770
2014-01-01	56.6708762068039
2014-04-01	56.7609429107038
2014-07-01	55.6287316998584
2014-10-01	54.8197954975872
2015-01-01	56.5824363427020
2015-04-01	57.9242963151499
2015-07-01	58.5254180253492
2015-10-01	58.1231857266059
2016-01-01	58.5972724105784
2016-04-01	59.2284952434711
2016-07-01	59.1140247745557
2016-10-01	59.6431692631089
2017-01-01	59.3048376522148
2017-04-01	60.0284522616630
2017-07-01	60.4299564888129
2017-10-01	60.5606638556879
2018-01-01	61.0496775596393
2018-04-01	61.9702496557223