Quarter	Percent, Seasonally Adjusted
1998-04-01	67.4000000000000
1999-04-01	69.0000000000000
2000-04-01	68.4000000000000
2001-04-01	67.8000000000000
2002-04-01	69.3000000000000
2003-04-01	69.4000000000000
2004-04-01	67.1000000000000
2005-04-01	65.7000000000000
2006-04-01	68.6000000000000
2007-04-01	67.4000000000000
2008-04-01	67.1000000000000
2009-04-01	67.3000000000000
2010-01-01	68.0186578875367
2010-04-01	68.3121278647473
2010-07-01	68.5759483476751
2010-10-01	67.5654800914814
2011-01-01	68.3214596713968
2011-04-01	68.6402031081217
2011-07-01	68.5212646566177
2011-10-01	68.6577234340383
2012-01-01	67.5430208420166
2012-04-01	66.9770528774936
2012-07-01	68.1543079150123
2012-10-01	67.6535075387562
2013-01-01	68.6643938287918
2013-04-01	67.8078972968386
2013-07-01	67.1642756234633
2013-10-01	68.3985223671646
2014-01-01	67.9014904877286
2014-04-01	68.0985278251296
2014-07-01	67.3972859614240
2014-10-01	68.2182296745394
2015-01-01	67.1105685216432
2015-04-01	67.4873403223168
2015-07-01	67.2258652614099
2015-10-01	68.2534673759732
2016-01-01	68.9281682076272
2016-04-01	67.6878686376082
2016-07-01	67.7045353520461
2016-10-01	69.0995998152091
2017-01-01	69.0249963838106
2017-04-01	68.4340075166637
2017-07-01	69.2104283897398
2017-10-01	68.0065204261801
2018-01-01	67.3575086529349
2018-04-01	67.4855160815873