Quarter	Percent, Seasonally Adjusted
2000-01-01	77.5999624741004
2000-04-01	77.7970482966648
2000-07-01	77.3432865738566
2000-10-01	77.4235849013112
2001-01-01	77.5810171864006
2001-04-01	77.6538372680266
2001-07-01	77.4112303082231
2001-10-01	77.2599887552790
2002-01-01	77.2584745818280
2002-04-01	77.2315132009504
2002-07-01	77.0767996214750
2002-10-01	76.6020655482921
2003-01-01	76.3003664846334
2003-04-01	76.0312251760657
2003-07-01	75.9946154386514
2003-10-01	75.9011278455922
2004-01-01	75.8792133849779
2004-04-01	75.6005048652060
2004-07-01	76.1503527063741
2004-10-01	75.9487208429348
2005-01-01	75.7457658210465
2005-04-01	75.6553320403226
2005-07-01	75.8589214611600
2005-10-01	76.0260680378158
2006-01-01	75.5015096602863
2006-04-01	75.2872009060807
2006-07-01	75.4230852475317
2006-10-01	75.4040662822160
2007-01-01	75.5348159876598
2007-04-01	75.5094654262084
2007-07-01	75.8363128638503
2007-10-01	76.4289686632826
2008-01-01	76.8096612100593
2008-04-01	77.1870723619472
2008-07-01	77.1082124439712
2008-10-01	76.4085118528646
2009-01-01	76.0540529413978
2009-04-01	75.9800241849641
2009-07-01	75.0615615254574
2009-10-01	74.8270288512462
2010-01-01	75.0524418765618
2010-04-01	75.1843002548300
2010-07-01	74.5521093853048
2010-10-01	74.6900522132172
2011-01-01	73.6473391175300
2011-04-01	73.5832208299067
2011-07-01	74.1255952815933
2011-10-01	74.4276378020185
2012-01-01	74.6996155141793
2012-04-01	74.3825024092770
2012-07-01	74.0318521967184
2012-10-01	74.0188564316480
2013-01-01	73.7669597638676
2013-04-01	73.8332731995588
2013-07-01	73.7876857004181
2013-10-01	73.5238543736209
2014-01-01	66.5571361003535
2014-04-01	66.9489795406474
2014-07-01	66.7659602367240
2014-10-01	66.8961694492209
2015-01-01	67.7844841154119
2015-04-01	67.3779077369118
2015-07-01	67.8458161795210
2015-10-01	67.4440498260916
2016-01-01	67.4451860344168
2016-04-01	67.1013353724513
2016-07-01	66.6326972344348
2016-10-01	66.2998034505994
2017-01-01	66.1489479519202
2017-04-01	65.7492305643899
2017-07-01	65.7486515049804
2017-10-01	66.0079995994233
2018-01-01	66.1466382622947
2018-04-01	66.1803340713493