Quarter	Percent, Seasonally Adjusted
1999-01-01	43.5741336258925
1999-04-01	43.5795711421830
1999-07-01	43.5856678227878
1999-10-01	44.2551405337925
2000-01-01	44.5192863718642
2000-04-01	42.9740418156686
2000-07-01	43.0889981304876
2000-10-01	43.8852041895049
2001-01-01	44.6632737447051
2001-04-01	45.1112317606833
2001-07-01	45.2886236434046
2001-10-01	44.5110200676662
2002-01-01	44.1226514485093
2002-04-01	44.1307840624945
2002-07-01	43.2795135381434
2002-10-01	43.3998075925635
2003-01-01	43.2338380320192
2003-04-01	43.7211421330857
2003-07-01	43.5174964557118
2003-10-01	42.0932443954933
2004-01-01	42.2656982435283
2004-04-01	41.8240623834594
2004-07-01	41.6858817285687
2004-10-01	41.3295417129323
2005-01-01	40.4858637600753
2005-04-01	40.0782767330041
2005-07-01	40.9317814632417
2005-10-01	40.5974007821410
2006-01-01	40.9946782779836
2006-04-01	40.6187426817341
2006-07-01	40.2222802882631
2006-10-01	40.0318550543964
2007-01-01	39.9090432921108
2007-04-01	39.4304023400901
2007-07-01	40.1606473837035
2007-10-01	38.7378191878629
2008-01-01	38.8686658382759
2008-04-01	39.8529207903504
2008-07-01	38.5482143708430
2008-10-01	39.5287868365634
2009-01-01	38.8534608798722
2009-04-01	39.0831072121546
2009-07-01	39.2353675455478
2009-10-01	39.0565568278850
2010-01-01	37.4913227893608
2010-04-01	39.1198750778115
2010-07-01	38.4796379775538
2010-10-01	37.6362960257060
2011-01-01	39.6715107919839
2011-04-01	38.3278394716164
2011-07-01	38.6484628254275
2011-10-01	39.0019365773150
2012-01-01	39.3758140783997
2012-04-01	39.0005910023297
2012-07-01	38.2547548595169
2012-10-01	38.0104874911843
2013-01-01	38.2506691311309
2013-04-01	37.8640344586221
2013-07-01	36.7287824215020
2013-10-01	37.9855793023094
2014-01-01	37.6532040349366
2014-04-01	36.9447418243381
2014-07-01	36.6903899769259
2014-10-01	36.8916281903540
2015-01-01	36.6287513668409
2015-04-01	37.5024262225228
2015-07-01	37.3229691330099
2015-10-01	36.7292830835357
2016-01-01	37.3306368537222
2016-04-01	37.3101531209032
2016-07-01	37.6175303125197
2016-10-01	36.3177559470568
2017-01-01	37.2362768377491
2017-04-01	36.7054626163114
2017-07-01	36.8251361507260
2017-10-01	36.4713109984738
2018-01-01	36.2834366811459
2018-04-01	36.3396604795970