Quarter	Percent, Seasonally Adjusted
1998-01-01	27.2264618106227
1998-04-01	27.4956831100243
1998-07-01	27.8138564785180
1998-10-01	28.0000319118812
1999-01-01	28.3090846744163
1999-04-01	27.7055388831662
1999-07-01	27.7794867853804
1999-10-01	27.9240410353582
2000-01-01	27.9554720783775
2000-04-01	28.1948490780167
2000-07-01	28.5881705841681
2000-10-01	28.9282532082202
2001-01-01	28.6491662362507
2001-04-01	28.0396926811274
2001-07-01	28.2121645742890
2001-10-01	27.9012030935212
2002-01-01	28.2686001826450
2002-04-01	28.6662896502210
2002-07-01	29.0127650260470
2002-10-01	29.2946179925346
2003-01-01	29.4136115944303
2003-04-01	29.5347741614276
2003-07-01	29.6847401213373
2003-10-01	29.7462271316915
2004-01-01	29.9172105716998
2004-04-01	30.0536864313007
2004-07-01	30.1340213808615
2004-10-01	30.2639565034800
2005-01-01	30.2926909872013
2005-04-01	30.4296188293324
2005-07-01	30.6117581602978
2005-10-01	30.8460402436154
2006-01-01	31.1579200341575
2006-04-01	31.2779810767138
2006-07-01	31.7272495023635
2006-10-01	31.4874797565306
2007-01-01	31.4981702262036
2007-04-01	31.6215947173544
2007-07-01	31.7418765307534
2007-10-01	31.8704635793120
2008-01-01	32.0353266932979
2008-04-01	32.2304486876648
2008-07-01	32.3259033735893
2008-10-01	32.4306011931579
2009-01-01	32.4802188525902
2009-04-01	32.4286607389736
2009-07-01	32.4050222985657
2009-10-01	32.2795863021564
2010-01-01	32.0969472541710
2010-04-01	31.9281459768297
2010-07-01	31.5778020589877
2010-10-01	31.0871780450828
2011-01-01	30.5443837548698
2011-04-01	29.8414338770686
2011-07-01	29.1969682894777
2011-10-01	28.4802764296132
2012-01-01	27.9055976451670
2012-04-01	27.3164146202332
2012-07-01	26.7872279976604
2012-10-01	26.5067814484317
2013-01-01	26.1382502388677
2013-04-01	25.9212786073672
2013-07-01	25.6848310916459
2013-10-01	25.5467338880837
2014-01-01	26.3513294537064
2014-04-01	26.3614293554290
2014-07-01	26.5648138797654