Quarter	Percent, Seasonally Adjusted
2005-01-01	51.1328812430064
2005-04-01	51.2033431824924
2005-07-01	51.2831439237963
2005-10-01	51.4202289348439
2006-01-01	51.6671060657238
2006-04-01	51.8488119130549
2006-07-01	52.0082464485707
2006-10-01	52.2019008227770
2007-01-01	52.3288319121806
2007-04-01	52.5925679927680
2007-07-01	52.7790069429115
2007-10-01	52.8811111611423
2008-01-01	52.9651419103166
2008-04-01	52.8913542629906
2008-07-01	52.9217188188536
2008-10-01	52.5783783965673
2009-01-01	52.0708467710341
2009-04-01	51.7111565850338
2009-07-01	51.3370403073184
2009-10-01	51.2973334302276
2010-01-01	51.2229655640124
2010-04-01	51.1138478496901
2010-07-01	51.0833230011682
2010-10-01	51.0971760779666
2011-01-01	51.1755555516023
2011-04-01	51.2042625068593
2011-07-01	51.0614906652670
2011-10-01	50.9597047789883
2012-01-01	50.8524370455971
2012-04-01	50.7119358739226
2012-07-01	50.5691371550579
2012-10-01	50.4093454760025
2013-01-01	50.2738056182784
2013-04-01	50.2055664212135
2013-07-01	50.1647927815354
2013-10-01	50.1866054377028
2014-01-01	50.1825808783713
2014-04-01	50.2439947911604
2014-07-01	50.3390216790726
2014-10-01	50.4420535900448
2015-01-01	50.4629304240873
2015-04-01	50.5570313864063
2015-07-01	50.7213013273519
2015-10-01	50.8881817892132
2016-01-01	51.1302533353011
2016-04-01	51.3007166245527
2016-07-01	51.4497320099823
2016-10-01	51.5622982550777
2017-01-01	51.6933379366983
2017-04-01	51.9076803339042
2017-07-01	52.0801668712044
2017-10-01	52.2680376948639
2018-01-01	52.3332128338857
2018-04-01	52.5247319344750