Quarter	Percent, Seasonally Adjusted
1998-01-01	48.3417805778408
1998-04-01	48.0256826189571
1998-07-01	47.8800561030556
1998-10-01	47.6755099809911
1999-01-01	47.6417353347237
1999-04-01	47.5354467416948
1999-07-01	47.4619158350855
1999-10-01	47.5092699071712
2000-01-01	47.4257954501644
2000-04-01	47.1942272867072
2000-07-01	46.9589326237482
2000-10-01	46.7868720195994
2001-01-01	46.7028107777733
2001-04-01	46.8744742610778
2001-07-01	46.5780720827893
2001-10-01	46.6052030686413
2002-01-01	46.3902931061388
2002-04-01	46.2962785122962
2002-07-01	46.1657212477676
2002-10-01	46.2137733266126
2003-01-01	46.0620173495876
2003-04-01	45.8515309628831
2003-07-01	45.7486639821277
2003-10-01	46.0123906640731
2004-01-01	45.0076587827352
2004-04-01	45.0229912302838
2004-07-01	45.0689505123689
2004-10-01	44.9479730001429
2005-01-01	45.1974238520659
2005-04-01	45.4181841498701
2005-07-01	45.6328409043975
2005-10-01	45.2600290934932
2006-01-01	45.0877709436874
2006-04-01	45.1248898053633
2006-07-01	45.4195378883261
2006-10-01	45.3323040174613
2007-01-01	45.7803173843748
2007-04-01	45.6551538703650
2007-07-01	45.1625320241913
2007-10-01	45.1761431570433
2008-01-01	44.9485312359962
2008-04-01	44.7038619212702
2008-07-01	44.9036871117565
2008-10-01	45.2160622209045
2009-01-01	45.3682927515362
2009-04-01	45.5193615616065
2009-07-01	45.5412826215618
2009-10-01	45.6571835569279
2010-01-01	45.5802031522691
2010-04-01	45.5897096315884
2010-07-01	45.9382839581336
2010-10-01	45.7114205887604
2011-01-01	45.7339466809594
2011-04-01	45.8819892388293
2011-07-01	45.6412461414956
2011-10-01	45.2765293108531
2012-01-01	44.6988706429971
2012-04-01	44.3485559826848
2012-07-01	44.4387706517709
2012-10-01	44.3843492145261
2013-01-01	44.5134868386868
2013-04-01	44.7535856798309
2013-07-01	44.7589050035587
2013-10-01	44.6676380681507
2014-01-01	44.3631738903575
2014-04-01	44.5271027087306
2014-07-01	44.1210916196842
2014-10-01	43.8978623904666
2015-01-01	44.2102048747044
2015-04-01	44.0910610165135
2015-07-01	44.1848940234635
2015-10-01	44.0682777243124
2016-01-01	43.9055802924633
2016-04-01	43.2541917039445
2016-07-01	43.2713206153583
2016-10-01	43.0839557729174
2017-01-01	42.9013457058440
2017-04-01	43.1185420631914
2017-07-01	42.7086599631012
2017-10-01	42.8396435316566
2018-01-01	42.7118285326679
2018-04-01	42.2803259479615