Quarter	Percent, Seasonally Adjusted
1999-01-01	43.1839283643593
1999-04-01	42.9200548276424
1999-07-01	42.1342853795397
1999-10-01	41.8010682679575
2000-01-01	41.6057513849958
2000-04-01	42.7917049282509
2000-07-01	41.3502983272749
2000-10-01	41.2945732879180
2001-01-01	42.3750458893385
2001-04-01	41.0488447721979
2001-07-01	38.7851158219994
2001-10-01	35.6090649557125
2002-01-01	39.6389663801689
2002-04-01	39.9562519785565
2002-07-01	38.7682029415964
2002-10-01	40.0038074827159
2003-01-01	37.8706970567875
2003-04-01	37.0398804235752
2003-07-01	34.6844385287744
2003-10-01	37.2819012664126
2004-01-01	37.1309499130370
2004-04-01	34.8072599564224
2004-07-01	35.3666529031748
2004-10-01	37.1293507379692
2005-01-01	36.3358259890254
2005-04-01	37.3544230100980
2005-07-01	37.6971354037538
2005-10-01	37.5662791949094
2006-01-01	36.9762724260217
2006-04-01	36.9817201261246
2006-07-01	36.9225886147401
2006-10-01	36.5171646851878
2007-01-01	38.2167006420513
2007-04-01	38.6215063686601
2007-07-01	38.5008994266588
2007-10-01	40.5821251839282
2008-01-01	39.8656354845244
2008-04-01	39.7756836671307
2008-07-01	39.6631378366437
2008-10-01	40.9619336716670
2009-01-01	41.0370339337869
2009-04-01	38.7957581217987
2009-07-01	38.5066212289475
2009-10-01	38.6471157963300
2010-01-01	38.7216386318960
2010-04-01	38.3053995547275
2010-07-01	37.3092780642808
2010-10-01	38.4080101770096
2011-01-01	37.3189197405485
2011-04-01	37.1603621890495
2011-07-01	36.5731986667537
2011-10-01	36.2382112415751
2012-01-01	35.8008615735188
2012-04-01	35.4277116390951
2012-07-01	35.9569410822464
2012-10-01	35.3080391021372
2013-01-01	35.6517635630323
2013-04-01	35.0173217925032
2013-07-01	34.3014391056046
2013-10-01	35.0566279340045
2014-01-01	34.9475566037969
2014-04-01	34.0154276613158
2014-07-01	33.1123721616040
2014-10-01	32.2382982288715
2015-01-01	32.0035258562448
2015-04-01	32.0953397876574
2015-07-01	32.9506329623800
2015-10-01	32.4081117134262
2016-01-01	30.6724228269746
2016-04-01	29.0971247418312
2016-07-01	28.5765485122086
2016-10-01	29.2143809963905
2017-01-01	29.9207558887532
2017-04-01	27.9645683031746
2017-07-01	27.6325316762255
2017-10-01	28.0473382102559
2018-01-01	28.2108111422943
2018-04-01	26.6458142243540