Quarter	Percent, Seasonally Adjusted
1998-04-01	70.8000000000000
1999-04-01	68.5000000000000
2000-04-01	70.6000000000000
2001-04-01	68.6000000000000
2002-04-01	70.4000000000000
2003-04-01	70.4000000000000
2004-04-01	68.1000000000000
2005-04-01	66.6000000000000
2006-04-01	70.2000000000000
2007-04-01	70.2000000000000
2008-04-01	68.1000000000000
2009-04-01	66.1000000000000
2010-01-01	68.3814455000281
2010-04-01	69.8777053552544
2010-07-01	69.2705097706336
2010-10-01	67.8571989913927
2011-01-01	69.1527480407413
2011-04-01	68.8646923724337
2011-07-01	69.0445994388117
2011-10-01	69.5625000187998
2012-01-01	67.7758752507945
2012-04-01	67.9085684114203
2012-07-01	69.6393387954081
2012-10-01	70.2014679553351
2013-01-01	70.7078083238402
2013-04-01	69.0766803315776
2013-07-01	67.3713797768567
2013-10-01	68.5487337276999
2014-01-01	68.6428743671813
2014-04-01	69.0089632298436
2014-07-01	68.5420589242504
2014-10-01	67.1658780259347
2015-01-01	65.9332593099638
2015-04-01	67.2889428227009
2015-07-01	66.6241639132546
2015-10-01	67.1798098818974
2016-01-01	68.5652320102960
2016-04-01	66.3456179577043
2016-07-01	66.7706155303890
2016-10-01	69.4541912760364
2017-01-01	69.2406391862955
2017-04-01	69.4830813122857
2017-07-01	70.8262280904061
2017-10-01	68.5982032491678
2018-01-01	67.9820227323971
2018-04-01	68.7803777911132