Quarter	Percent, Seasonally Adjusted
2001-01-01	74.0810370511269
2001-04-01	74.0685868534515
2001-07-01	74.0247197330626
2001-10-01	73.9673781111032
2002-01-01	73.9061049330674
2002-04-01	73.6521198892376
2002-07-01	73.4938792043331
2002-10-01	73.4143665096138
2003-01-01	73.1615312972393
2003-04-01	73.1513118363607
2003-07-01	72.7280290051973
2003-10-01	72.4557502142861
2004-01-01	72.2772932978749
2004-04-01	72.0255267046017
2004-07-01	72.0689858112032
2004-10-01	71.9357506787356
2005-01-01	71.8980646877697
2005-04-01	72.2782157602878
2005-07-01	72.2991791102136
2005-10-01	72.6641482585534
2006-01-01	72.7344304044522
2006-04-01	72.8225830308688
2006-07-01	73.3820509906632
2006-10-01	73.5787892403507
2007-01-01	73.8546696367347
2007-04-01	74.0190213040857
2007-07-01	74.4213678166539
2007-10-01	74.4874991897483
2008-01-01	74.5824528438321
2008-04-01	74.4882041175912
2008-07-01	74.4151779215453
2008-10-01	73.8302766281385
2009-01-01	73.1725847515656
2009-04-01	72.5036600448044
2009-07-01	71.5963058186549
2009-10-01	71.6345297599700
2010-01-01	71.6476858362030
2010-04-01	72.0196864281977
2010-07-01	72.2874266499114
2010-10-01	72.6378631339668
2011-01-01	73.2706567863001
2011-04-01	73.5342260419545
2011-07-01	73.6644174200729
2011-10-01	73.7923205567265
2012-01-01	73.6627782754698
2012-04-01	73.7845037500530
2012-07-01	73.7567796293381
2012-10-01	73.8318798523983
2013-01-01	74.1382413103434
2013-04-01	74.3105905947708
2013-07-01	74.5146847983621
2013-10-01	74.6895480709198
2014-01-01	74.5825840602177
2014-04-01	74.7423254317875
2014-07-01	75.2412015144283
2014-10-01	74.8759259898335
2015-01-01	75.1609560128487
2015-04-01	75.2529949862642
2015-07-01	75.7014455493479
2015-10-01	75.9705302979209
2016-01-01	75.9711361111395
2016-04-01	76.2888896409702
2016-07-01	76.1974622278732
2016-10-01	76.3649224353500
2017-01-01	76.7295551906491
2017-04-01	76.7292298458913
2017-07-01	76.9309876139307
2017-10-01	77.0341199734839
2018-01-01	77.1945759637704
2018-04-01	77.3632908473732