Quarter	Percent, Seasonally Adjusted
2005-01-01	61.5597468440372
2005-04-01	61.6992003579425
2005-07-01	61.7386482178380
2005-10-01	61.9969458842124
2006-01-01	62.3708761282941
2006-04-01	62.4776890885715
2006-07-01	62.6900037954177
2006-10-01	62.8312430005371
2007-01-01	62.8846999790836
2007-04-01	63.0821044055025
2007-07-01	63.4365027894434
2007-10-01	63.4898955843834
2008-01-01	63.6747475374856
2008-04-01	63.8190057258703
2008-07-01	64.0229672985968
2008-10-01	64.0572389090884
2009-01-01	64.2569783454701
2009-04-01	64.4272341751590
2009-07-01	64.3586177104840
2009-10-01	64.4533053971957
2010-01-01	64.5896496142570
2010-04-01	64.6024797206516
2010-07-01	64.6453540230938
2010-10-01	64.7543407216624
2011-01-01	64.8224775756800
2011-04-01	65.0002780912488
2011-07-01	65.1242422480881
2011-10-01	65.3431476437386
2012-01-01	65.5992114093876
2012-04-01	65.8024123795092
2012-07-01	65.9404885910519
2012-10-01	66.0663166171834
2013-01-01	66.2317483065817
2013-04-01	66.2415987369256
2013-07-01	66.3652469663550
2013-10-01	66.4432817343845
2014-01-01	66.5210638762980
2014-04-01	66.5429158592700
2014-07-01	66.6535607360422
2014-10-01	66.8598364331494
2015-01-01	66.7791091498033
2015-04-01	66.9089074217073
2015-07-01	66.7861023048131
2015-10-01	66.9811007276026
2016-01-01	67.1678846227472
2016-04-01	67.3471559923615
2016-07-01	67.5710195189587
2016-10-01	67.5096392960125
2017-01-01	67.5238067885841
2017-04-01	67.5955153279974
2017-07-01	67.7816045697972
2017-10-01	67.8858864249013
2018-01-01	67.9053303074833
2018-04-01	68.0265107251310