Quarter	Percent, Seasonally Adjusted
2002-01-01	73.5909036929133
2002-04-01	75.3242353487614
2002-07-01	76.1289168958666
2002-10-01	76.7684013162085
2003-01-01	76.5777228878862
2003-04-01	76.3813781934840
2003-07-01	76.8908343991312
2003-10-01	76.4230882653044
2004-01-01	75.7429480283774
2004-04-01	76.2239706539350
2004-07-01	76.8765418551940
2004-10-01	76.4225409714584
2005-01-01	75.8869225802393
2005-04-01	77.5266555208494
2005-07-01	76.3081636674423
2005-10-01	78.5841521923666
2006-01-01	78.4309421385552
2006-04-01	81.1535094409651
2006-07-01	81.8566331154268
2006-10-01	81.6540506014000
2007-01-01	79.9049882564114
2007-04-01	81.3693586369733
2007-07-01	83.3080310569691
2007-10-01	83.8155578693200
2008-01-01	82.4833582125270
2008-04-01	83.1314708875225
2008-07-01	81.8493173834747
2008-10-01	81.1902112118134
2009-01-01	77.9128150543604
2009-04-01	73.5761011396977
2009-07-01	72.7505950525535
2009-10-01	72.1030984897452
2010-01-01	71.3052596616195
2010-04-01	71.5462122417741
2010-07-01	73.6994554448728
2010-10-01	73.9852990510823
2011-01-01	73.6325205435206
2011-04-01	74.8475098562384
2011-07-01	75.8928356269453
2011-10-01	75.4623181593686
2012-01-01	74.6331153620812
2012-04-01	75.8724206824350
2012-07-01	77.9103793341388
2012-10-01	76.7773832240287
2013-01-01	77.2393112173821
2013-04-01	78.0351635618652
2013-07-01	78.6361102828991
2013-10-01	77.7933548434983
2014-01-01	77.8155073556520
2014-04-01	78.7290454914326
2014-07-01	78.1998570724695
2014-10-01	77.8867685317284
2015-01-01	77.9867183005208
2015-04-01	79.2823092453931
2015-07-01	80.0129330693980
2015-10-01	79.6142128161217
2016-01-01	79.1797105329480
2016-04-01	79.6537788887881
2016-07-01	80.1893230996141
2016-10-01	79.7348012809620
2017-01-01	80.3184879032926
2017-04-01	80.3462500452347
2017-07-01	81.8124498965451
2017-10-01	82.5211583203917
2018-01-01	82.2845063593498
2018-04-01	82.5103719146557