Quarter	Percent, Seasonally Adjusted
1998-01-01	38.9695854854507
1998-04-01	38.6602673661864
1998-07-01	38.8726763103951
1998-10-01	39.4821559539933
1999-01-01	38.6206586239184
1999-04-01	38.3394734037403
1999-07-01	35.9173325182999
1999-10-01	36.5942485532224
2000-01-01	36.2130699251903
2000-04-01	35.4185823783288
2000-07-01	35.9514103634360
2000-10-01	34.0429894386192
2001-01-01	32.6750723842234
2001-04-01	31.9780090922105
2001-07-01	32.6735378875721
2001-10-01	31.3164531979281
2002-01-01	31.3377530716655
2002-04-01	31.7745840883240
2002-07-01	31.2432076903578
2002-10-01	31.2881467278556
2003-01-01	31.1908855922499
2003-04-01	31.0489840482163
2003-07-01	30.9723187466722
2003-10-01	30.2318652355365
2004-01-01	27.2287619474397
2004-04-01	28.7912334649858
2004-07-01	25.7878407643880
2004-10-01	27.1123584442662
2005-01-01	27.7508867270030
2005-04-01	26.1819288294337
2005-07-01	29.5235833936789
2005-10-01	26.8772054697968
2006-01-01	27.6099052115081
2006-04-01	25.7078675506434
2006-07-01	23.5205999091286
2006-10-01	24.7089421572146
2007-01-01	22.5214808333730
2007-04-01	21.9129679318077
2007-07-01	24.3784498209718
2007-10-01	24.4031013702626
2008-01-01	23.6591353946895
2008-04-01	25.4530964511699
2008-07-01	24.5569626934808
2008-10-01	24.9426337790373
2009-01-01	28.4642371661033
2009-04-01	28.2586659000527
2009-07-01	28.6587558418748
2009-10-01	28.7365086303657
2010-01-01	27.8206017424492
2010-04-01	29.5079246507172
2010-07-01	29.6025195390443
2010-10-01	30.7472249186510
2011-01-01	30.5555104640867
2011-04-01	33.2990141716494
2011-07-01	31.8370982971042
2011-10-01	32.6870150289276
2012-01-01	36.8557971482188
2012-04-01	36.9311648672168
2012-07-01	37.3642634610900
2012-10-01	39.1842020451180
2013-01-01	40.0775224489862
2013-04-01	39.0362243805544
2013-07-01	41.4921592185100
2013-10-01	45.1808524817130
2014-01-01	45.0221408843861
2014-04-01	43.6191912294967
2014-07-01	44.8748612377335
2014-10-01	45.1060515043150
2015-01-01	45.6157351001627
2015-04-01	45.0273862213422
2015-07-01	40.7769643027487
2015-10-01	38.8334795411303
2016-01-01	38.8174832648978
2016-04-01	38.6271215044320
2016-07-01	40.3342964946158
2016-10-01	40.6863886281396
2017-01-01	37.6337779427533
2017-04-01	37.8301108305494
2017-07-01	38.0517283246686
2017-10-01	35.6031137344533
2018-01-01	35.9316223590407
2018-04-01	36.3645516021397