Quarter	Percent, Seasonally Adjusted
1998-01-01	44.0325328196159
1998-04-01	44.2334209940239
1998-07-01	44.1806583801016
1998-10-01	43.8194689300762
1999-01-01	43.8236047391490
1999-04-01	43.7914086441784
1999-07-01	43.6899398320183
1999-10-01	43.5840604235902
2000-01-01	43.7422432148229
2000-04-01	43.9655713798591
2000-07-01	44.1674927741634
2000-10-01	44.2715065157598
2001-01-01	43.8741622712539
2001-04-01	44.3626260771205
2001-07-01	44.4677385024714
2001-10-01	44.7916744156276
2002-01-01	44.8391408498082
2002-04-01	44.5942323568768
2002-07-01	44.3533862183620
2002-10-01	44.2836769109836
2003-01-01	44.3443443568162
2003-04-01	44.3240199923115
2003-07-01	44.7517347560765
2003-10-01	44.8933550586126
2004-01-01	44.7619544969440
2004-04-01	44.8420002598383
2004-07-01	44.9815879088313
2004-10-01	44.8654515071613
2005-01-01	44.9203400516611
2005-04-01	44.5156583917908
2005-07-01	44.2146664424457
2005-10-01	44.0365408151784
2006-01-01	44.1334352663464
2006-04-01	44.3911792173062
2006-07-01	44.5924352000847
2006-10-01	44.9587817181819
2007-01-01	44.9718650278493
2007-04-01	45.0774444621983
2007-07-01	45.3298770869220
2007-10-01	45.3787706786161
2008-01-01	45.4946980467022
2008-04-01	45.4918814520601
2008-07-01	45.7459225937005
2008-10-01	45.6927280905640
2009-01-01	45.5917345202984
2009-04-01	45.4549930535949
2009-07-01	45.2346118636990
2009-10-01	45.3706772910260
2010-01-01	45.7741615861126
2010-04-01	45.7818266649899
2010-07-01	45.6183549283399
2010-10-01	45.4930940863301
2011-01-01	45.3855318413291
2011-04-01	45.2350733443674
2011-07-01	45.3282335150258
2011-10-01	45.4669166482516
2012-01-01	45.3506727447990
2012-04-01	44.8782894759352
2012-07-01	44.5784944318821
2012-10-01	44.1683710943369
2013-01-01	44.0320833083264
2013-04-01	43.5047524242902
2013-07-01	43.5690935638595
2013-10-01	43.5411251377941
2014-01-01	43.7216017790340
2014-04-01	43.9562846323552
2014-07-01	43.8102119270090
2014-10-01	43.3127518886703
2015-01-01	43.1737594977923
2015-04-01	43.2038899369208
2015-07-01	43.0786192664940
2015-10-01	43.2023946541222
2016-01-01	42.7723205832958
2016-04-01	42.4626414944734
2016-07-01	42.3651253096066
2016-10-01	41.9363120517761
2017-01-01	41.9725803500980
2017-04-01	42.1171818638947
2017-07-01	41.4942281722027
2017-10-01	41.6696976393678
2018-01-01	41.3254512371220
2018-04-01	40.9660901019188