Quarter	Percent, Seasonally Adjusted
2000-01-01	71.9236754079786
2000-04-01	73.0710702194723
2000-07-01	73.7669385891352
2000-10-01	73.9632762646109
2001-01-01	74.0129884587959
2001-04-01	74.2331513051041
2001-07-01	74.2465928482788
2001-10-01	74.6683711994902
2002-01-01	75.5086687967500
2002-04-01	75.4488276020487
2002-07-01	75.8358004363776
2002-10-01	76.1882183417613
2003-01-01	77.0036014700039
2003-04-01	76.5954907170636
2003-07-01	77.2638098387107
2003-10-01	77.2999708917960
2004-01-01	77.4983543527077
2004-04-01	78.0044814821216
2004-07-01	78.1059517565285
2004-10-01	78.1944184046725
2005-01-01	78.4848890918889
2005-04-01	78.8506060373305
2005-07-01	79.0690557350972
2005-10-01	79.5526806264004
2006-01-01	79.8705406482461
2006-04-01	79.8827930791321
2006-07-01	80.1090427024249
2006-10-01	80.3540104294470
2007-01-01	80.6789584064621
2007-04-01	81.1785141105445
2007-07-01	81.3156570382598
2007-10-01	81.6596213180264
2008-01-01	82.0954225678419
2008-04-01	82.4255322223228
2008-07-01	82.5804509930231
2008-10-01	83.0319747802432
2009-01-01	83.2672863617316
2009-04-01	82.8794212112935
2009-07-01	83.0167813479541
2009-10-01	83.0163272201282
2010-01-01	82.1585302797157
2010-04-01	82.4132766566736
2010-07-01	82.3705219273024
2010-10-01	82.4987662690957
2011-01-01	82.1445637359933
2011-04-01	81.7241385783178
2011-07-01	81.4090365184802
2011-10-01	81.8730739198862
2012-01-01	82.0738951680687
2012-04-01	82.1038012689872
2012-07-01	82.5178569528085
2012-10-01	82.4961395694126
2013-01-01	82.6058282784732
2013-04-01	82.5904768898859
2013-07-01	82.7548016366077
2013-10-01	82.4316511013335
2014-01-01	81.9563511563759
2014-04-01	81.9261434241526
2014-07-01	81.8120257458453
2014-10-01	82.1026092895276
2015-01-01	82.2991305147695
2015-04-01	82.1591919363958
2015-07-01	82.0564562569318
2015-10-01	81.9894773541014
2016-01-01	81.9228936944365
2016-04-01	82.2088829715330
2016-07-01	82.3243284754770
2016-10-01	82.1887509782716
2017-01-01	82.2391391107128
2017-04-01	82.1466717590682
2017-07-01	82.0554264007764
2017-10-01	81.7393525805631
2018-01-01	81.8704797629144
2018-04-01	82.1560406238634