Quarter	Percent, Seasonally Adjusted
1998-01-01	48.1086217472409
1998-04-01	48.0455025615250
1998-07-01	47.6927703460225
1998-10-01	47.6022991515836
1999-01-01	47.3933394358320
1999-04-01	47.7493103498831
1999-07-01	47.8910189595362
1999-10-01	47.6622814844219
2000-01-01	47.9548355763470
2000-04-01	47.8427966187882
2000-07-01	47.7297803940459
2000-10-01	47.7854428052713
2001-01-01	48.2181313063738
2001-04-01	48.5789719656179
2001-07-01	48.6394859507552
2001-10-01	48.7740653509090
2002-01-01	48.6408807828357
2002-04-01	48.2835125389307
2002-07-01	48.0635258185518
2002-10-01	47.9061741946562
2003-01-01	47.8035459978301
2003-04-01	47.8390367798954
2003-07-01	47.7169144869466
2003-10-01	47.6074929136124
2004-01-01	47.2017374463245
2004-04-01	47.0700704588901
2004-07-01	47.1630593037721
2004-10-01	47.0723710353249
2005-01-01	47.2141349067384
2005-04-01	47.1172239495008
2005-07-01	47.0946924381756
2005-10-01	46.9694074905178
2006-01-01	46.8898870919764
2006-04-01	46.9957853629440
2006-07-01	46.8588175852101
2006-10-01	46.9386960103403
2007-01-01	47.0500965662198
2007-04-01	47.1058741304762
2007-07-01	47.0449487017247
2007-10-01	47.0586511143164
2008-01-01	47.0556712533758
2008-04-01	47.0135603584724
2008-07-01	47.0922876703661
2008-10-01	46.9367504496027
2009-01-01	46.6940495139590
2009-04-01	46.6217579672177
2009-07-01	46.4231889363907
2009-10-01	46.4712377950668
2010-01-01	46.3371590307275
2010-04-01	46.4508338321507
2010-07-01	46.5592378769366
2010-10-01	46.6356863345102
2011-01-01	46.9732955133171
2011-04-01	47.3204942103144
2011-07-01	47.5351192492556
2011-10-01	47.5116781126236
2012-01-01	47.6059983291192
2012-04-01	47.6970289089134
2012-07-01	47.7085246603732
2012-10-01	47.6703327396637
2013-01-01	47.9792983481143
2013-04-01	47.7973597307219
2013-07-01	47.9404296103275
2013-10-01	48.1724898929056
2014-01-01	47.9815518818726
2014-04-01	48.1112972763957
2014-07-01	48.2357941703407
2014-10-01	48.3635783000647
2015-01-01	48.2665841737993
2015-04-01	48.0577641487231
2015-07-01	47.9070729703050
2015-10-01	47.7898063607787
2016-01-01	47.8037432439763
2016-04-01	47.8302610204177
2016-07-01	47.7496500424617
2016-10-01	48.0166542973460
2017-01-01	47.9009189944674
2017-04-01	47.7878429533961
2017-07-01	47.9247108576663
2017-10-01	48.0498390786802
2018-01-01	48.1614638726814
2018-04-01	48.0761753124162