Quarter	Percent, Seasonally Adjusted
1999-04-01	65.7261015333821
2000-04-01	65.5712208810900
2001-04-01	66.1137878355465
2002-04-01	65.7409096184776
2003-04-01	65.0525279054498
2004-04-01	64.3709556791207
2005-04-01	64.0047023205630
2006-04-01	64.6610061287028
2007-04-01	65.1586285389102
2008-04-01	65.9020072310186
2009-04-01	65.4280107922492
2010-01-01	63.4424677693804
2010-04-01	63.6783244930296
2010-07-01	63.6978304416816
2010-10-01	63.7206123464668
2011-01-01	64.1768144617333
2011-04-01	64.3349683073984
2011-07-01	64.0386760813038
2011-10-01	64.4304497862117
2012-01-01	64.4885546309822
2012-04-01	64.4990831074493
2012-07-01	64.6820375877793
2012-10-01	64.2920433545098
2013-01-01	64.3119369555343
2013-04-01	64.2800997640765
2013-07-01	64.2234410096966
2013-10-01	64.5044897022563
2014-01-01	64.1285914331027
2014-04-01	64.5951593171602
2014-07-01	64.4781362089510
2014-10-01	65.3203437340281