Quarter	Percent, Seasonally Adjusted
1999-04-01	49.5243478788880
1999-07-01	49.4315864123737
1999-10-01	49.6458345102358
2000-01-01	49.7927020696397
2000-04-01	49.5168739479372
2000-07-01	50.0047034408921
2000-10-01	50.3058916785057
2001-01-01	50.7638586154734
2001-04-01	51.4253772303093
2001-07-01	51.1401585105716
2001-10-01	51.5593468253370
2002-01-01	51.2780430901097
2002-04-01	52.0066588496942
2002-07-01	52.1281649968678
2002-10-01	52.0719566266155
2003-01-01	52.1011049741066
2003-04-01	51.1530567632046
2003-07-01	51.3370786830726
2003-10-01	51.5372479615735
2004-01-01	51.2005810803215
2004-04-01	52.0833855548778
2004-07-01	51.2923638204735
2004-10-01	50.1404218901431
2005-01-01	50.5357404618512
2005-04-01	49.8430932193806
2005-07-01	50.0947442795018
2005-10-01	50.0479586453408
2006-01-01	49.7799758702856
2006-04-01	50.0131024566030
2006-07-01	48.6384891509830
2006-10-01	49.3017035861211
2007-01-01	36.0437960147373
2007-04-01	34.8359279869501
2007-07-01	36.4197746316912
2007-10-01	35.9797683492562
2008-01-01	36.8772668897982
2008-04-01	37.5037862890113
2008-07-01	37.8614835007463
2008-10-01	40.3563434519104
2009-01-01	40.0504180742155
2009-04-01	41.3230417148112
2009-07-01	44.1218196667127
2009-10-01	45.0445022414446
2010-01-01	47.9649680532791
2010-04-01	48.2196422038634
2010-07-01	48.8240597449674
2010-10-01	48.2588287929780
2011-01-01	49.3753841217194
2011-04-01	50.7461750080015
2011-07-01	51.8957048245749
2011-10-01	51.4849612221906
2012-01-01	50.8760440734016
2012-04-01	51.3653404550825
2012-07-01	51.3696693025069
2012-10-01	51.8873811242307
2013-01-01	51.8293917594868
2013-04-01	50.9589055982128
2013-07-01	51.8909584455898
2013-10-01	52.9321592932303
2014-01-01	53.6577041495235
2014-04-01	55.1297660550730
2014-07-01	53.6509950518369
2014-10-01	54.2332064336368
2015-01-01	54.9974229928199
2015-04-01	55.8513728979996
2015-07-01	55.2563211582372
2015-10-01	55.5719477769361
2016-01-01	55.2941627081974
2016-04-01	49.4590043755360
2016-07-01	50.5434472544261
2016-10-01	51.1693295024295
2017-01-01	51.8397713055460
2017-04-01	52.8326150726628
2017-07-01	56.9553707175312
2017-10-01	56.3683678060731
2018-01-01	56.1916912626023
2018-04-01	55.4399946055911