Quarter	Percent, Seasonally Adjusted
2005-01-01	51.1324040588116
2005-04-01	51.2499411029729
2005-07-01	51.5773366138222
2005-10-01	52.5748224516336
2006-01-01	52.6769711018161
2006-04-01	53.0174672389070
2006-07-01	52.9823319643112
2006-10-01	52.9259906571136
2007-01-01	53.4972589073366
2007-04-01	54.1553816778148
2007-07-01	54.1812002954589
2007-10-01	53.3910646286235
2008-01-01	53.2654296868327
2008-04-01	53.2987752111651
2008-07-01	54.0493084450158
2008-10-01	53.9426350388715
2009-01-01	52.9377467374695
2009-04-01	52.6273108179771
2009-07-01	52.6802040608525
2009-10-01	52.0012993015537
2010-01-01	51.2216673880063
2010-04-01	50.5584520753981
2010-07-01	50.7541754120632
2010-10-01	51.1205593494041
2011-01-01	51.7196126112609
2011-04-01	52.6301339864831
2011-07-01	52.5626741690927
2011-10-01	52.9439605686675
2012-01-01	53.4896335927521
2012-04-01	54.1824850488146
2012-07-01	54.5343648402336
2012-10-01	53.9594976899407
2013-01-01	54.1343999498382
2013-04-01	54.8631159375487
2013-07-01	54.6636903351651
2013-10-01	55.1407128916403
2014-01-01	55.5775849725329
2014-04-01	56.2085638504144
2014-07-01	57.4845683306836
2014-10-01	57.0685653864326
2015-01-01	57.0859178641341
2015-04-01	57.9525003299292
2015-07-01	58.5377012933205
2015-10-01	58.7526372442825
2016-01-01	59.8825436471631
2016-04-01	60.1550311305213
2016-07-01	60.3661157392954
2016-10-01	60.7883834555880
2017-01-01	60.8137885097707
2017-04-01	61.8471978620535
2017-07-01	61.5917926658752
2017-10-01	61.7356944658525
2018-01-01	61.6594417695970
2018-04-01	61.6745220097917