Quarter	Percent, Seasonally Adjusted
1998-01-01	49.7541019169235
1998-04-01	50.1179459413366
1998-07-01	50.3950429040987
1998-10-01	50.2083212225944
1999-01-01	49.9658402426432
1999-04-01	49.7596965740254
1999-07-01	49.6311105974393
1999-10-01	49.5197538233258
2000-01-01	49.7705578349465
2000-04-01	49.9821807897996
2000-07-01	50.1909345825371
2000-10-01	50.3252698978739
2001-01-01	49.9987271005884
2001-04-01	49.9618835183526
2001-07-01	49.9779859364014
2001-10-01	49.7374461674298
2002-01-01	49.7746586037686
2002-04-01	50.2450627710903
2002-07-01	50.3336667229747
2002-10-01	50.5251921416130
2003-01-01	50.8501716755118
2003-04-01	50.7178370607904
2003-07-01	50.8335326438207
2003-10-01	50.8230890185861
2004-01-01	50.5151423476187
2004-04-01	50.7686348629751
2004-07-01	50.6848394248825
2004-10-01	50.7971110200265
2005-01-01	50.9773062455748
2005-04-01	50.9616932220878
2005-07-01	50.7835036083684
2005-10-01	51.0827120719997
2006-01-01	51.2834220391390
2006-04-01	51.2222631447863
2006-07-01	51.4091616886768
2006-10-01	51.4688258619729
2007-01-01	51.3802805411581
2007-04-01	51.3806735738164
2007-07-01	51.5561306735255
2007-10-01	51.5809990072669
2008-01-01	51.7030062585696
2008-04-01	51.7450392207732
2008-07-01	51.4594164604172
2008-10-01	51.3123134482032
2009-01-01	50.8127409394046
2009-04-01	50.5763765360986
2009-07-01	50.3148953628406
2009-10-01	49.8874202651893
2010-01-01	49.4949363527754
2010-04-01	48.6095599243023
2010-07-01	47.9889915554326
2010-10-01	47.2574968964956
2011-01-01	46.2354287972556
2011-04-01	45.3015167001835
2011-07-01	44.0704283917475
2011-10-01	42.7600114632309
2012-01-01	41.9319723809074
2012-04-01	40.7807917939418
2012-07-01	40.0401347706639
2012-10-01	39.6659122722899
2013-01-01	39.0534410280588
2013-04-01	38.9171579579757
2013-07-01	38.7559901415112
2013-10-01	38.7311227751319
2014-01-01	38.8352287025834
2014-04-01	38.7609966821640
2014-07-01	38.8923004549681