Quarter	Percent, Seasonally Adjusted
2000-01-01	91.6162589332220
2000-04-01	92.1488399996523
2000-07-01	92.4026565080989
2000-10-01	92.5595614004550
2001-01-01	92.5776992042076
2001-04-01	92.6595697249576
2001-07-01	92.8992523051300
2001-10-01	92.8318185144080
2002-01-01	92.2976966220958
2002-04-01	92.0155734729693
2002-07-01	91.5845881053109
2002-10-01	91.2591721548089
2003-01-01	90.7513086791790
2003-04-01	90.9100487132776
2003-07-01	90.3776612131438
2003-10-01	90.2065459101747
2004-01-01	90.2764102768868
2004-04-01	90.2635358575169
2004-07-01	90.5361382677296
2004-10-01	89.8407781288566
2005-01-01	90.0288428777480
2005-04-01	90.0452477846432
2005-07-01	90.4295036564465
2005-10-01	90.6036124949424
2006-01-01	91.0658999656613
2006-04-01	91.2085339073668
2006-07-01	91.2855432400285
2006-10-01	91.9014222701787
2007-01-01	91.7774467771050
2007-04-01	91.9826553094850
2007-07-01	92.3218894195939
2007-10-01	92.4686413530402
2008-01-01	92.7463919420291
2008-04-01	93.1525257654636
2008-07-01	92.9707011946373
2008-10-01	92.9416609204604
2009-01-01	92.6864349319676
2009-04-01	92.2970244860096
2009-07-01	91.6379967356231
2009-10-01	91.2987899314789
2010-01-01	89.9829438476663
2010-04-01	90.0272334317592
2010-07-01	89.9833386991731
2010-10-01	90.0479285695553
2011-01-01	90.1004974431490
2011-04-01	89.5509099492014
2011-07-01	89.7446097306264
2011-10-01	89.9724786533159
2012-01-01	89.9010751949466
2012-04-01	89.3483213270639
2012-07-01	88.8920601477858
2012-10-01	88.1376430205487
2013-01-01	87.5400481458051
2013-04-01	87.1302143047808
2013-07-01	86.3851552034670
2013-10-01	86.2328428546618
2014-01-01	86.6857495509178
2014-04-01	86.6111282446894
2014-07-01	86.9672693340912
2014-10-01	87.1884182953581
2015-01-01	87.4121774539775
2015-04-01	87.2239694722923
2015-07-01	87.5965874899799
2015-10-01	87.7534374489099
2016-01-01	87.9390322910770
2016-04-01	88.1045453313281
2016-07-01	88.1271725026448
2016-10-01	88.2261942023042
2017-01-01	88.3552347004855
2017-04-01	88.2525581469626
2017-07-01	88.3574007192149
2017-10-01	88.5484284462289
2018-01-01	89.0385153249031
2018-04-01	89.0218759058054