Quarter	Percent, Seasonally Adjusted
2005-01-01	36.9041881439252
2005-04-01	37.2292198328359
2005-07-01	37.4672154200745
2005-10-01	38.7660208692780
2006-01-01	39.1196326153872
2006-04-01	39.6072229806058
2006-07-01	40.5163557091704
2006-10-01	42.0336796652204
2007-01-01	41.6258402623252
2007-04-01	43.7789502181823
2007-07-01	43.5287376341450
2007-10-01	44.6742414990627
2008-01-01	44.8246363944779
2008-04-01	45.9389347393462
2008-07-01	46.1620714551603
2008-10-01	47.1399897553012
2009-01-01	47.5215500851805
2009-04-01	49.0499789960188
2009-07-01	48.2708344791181
2009-10-01	49.5754437248860
2010-01-01	50.5876587549951
2010-04-01	50.2196284040836
2010-07-01	50.8754423450991
2010-10-01	51.0423644238345
2011-01-01	52.2779149988885
2011-04-01	52.8900937368840
2011-07-01	53.6906420118392
2011-10-01	53.9818620028537
2012-01-01	54.2671656837904
2012-04-01	54.5178058918141
2012-07-01	55.4503463856298
2012-10-01	55.5391473471683
2013-01-01	56.7776597985924
2013-04-01	57.0484145985575
2013-07-01	57.9888646233462
2013-10-01	58.7265319848392
2014-01-01	59.0767392465333
2014-04-01	59.9969606030549
2014-07-01	60.2499022579457
2014-10-01	60.5690201174768
2015-01-01	60.6130625974018
2015-04-01	60.9939733014833
2015-07-01	61.3446171202441
2015-10-01	61.8768129535407
2016-01-01	62.6345415785253
2016-04-01	63.3815051407659
2016-07-01	63.9568340152412
2016-10-01	64.1821682857648
2017-01-01	64.7381032342661
2017-04-01	65.3394311722765
2017-07-01	65.2907361116690
2017-10-01	66.1386375397246
2018-01-01	66.2668234453794
2018-04-01	66.2558249054744