Quarter	Percent, Seasonally Adjusted
1999-01-01	39.3925026365990
1999-04-01	39.0918307124816
1999-07-01	39.3378608420823
1999-10-01	39.2398302089384
2000-01-01	39.5179381192800
2000-04-01	39.2158318869108
2000-07-01	39.3810122331202
2000-10-01	39.7486851139803
2001-01-01	39.7831005719664
2001-04-01	40.1957703056857
2001-07-01	39.8336865726498
2001-10-01	40.4852009225168
2002-01-01	40.6633538421069
2002-04-01	40.8342627224785
2002-07-01	40.7615651107421
2002-10-01	41.0143418339278
2003-01-01	40.9893156987775
2003-04-01	41.3809609813037
2003-07-01	41.4023759550133
2003-10-01	41.2067696699540
2004-01-01	40.0425272714584
2004-04-01	40.4242947407298
2004-07-01	40.8049967242911
2004-10-01	41.0003799320368
2005-01-01	41.3814203485677
2005-04-01	41.2672041190362
2005-07-01	41.6176777762681
2005-10-01	41.5906698530535
2006-01-01	41.8783494792099
2006-04-01	42.2203309861447
2006-07-01	42.9502645351998
2006-10-01	42.8715498356989
2007-01-01	42.8910805440368
2007-04-01	43.1575872370459
2007-07-01	43.5165315493592
2007-10-01	43.4473027427491
2008-01-01	43.9075304882703
2008-04-01	44.2926402264061
2008-07-01	44.2497074606158
2008-10-01	44.6435166068829
2009-01-01	44.7478929618559
2009-04-01	44.8964454879174
2009-07-01	44.6801447477849
2009-10-01	44.7376540293452
2010-01-01	44.7495875312782
2010-04-01	44.4534204915930
2010-07-01	44.9317930457403
2010-10-01	45.1924133965437
2011-01-01	45.0104725371501
2011-04-01	44.9671122261406
2011-07-01	45.2192199633931
2011-10-01	45.1672073213210
2012-01-01	45.4589863037157
2012-04-01	45.5626524940638
2012-07-01	45.5902206899592
2012-10-01	45.7058429636089
2013-01-01	45.4179548497186
2013-04-01	45.6825217503150
2013-07-01	45.8164572614417
2013-10-01	45.7419602418387
2014-01-01	45.7713836882154
2014-04-01	46.2060214499498
2014-07-01	45.8905020710311