Quarter	Percent, Seasonally Adjusted
1999-01-01	56.1321097105405
1999-04-01	55.6661921853328
1999-07-01	55.8167832311488
1999-10-01	55.3631085412521
2000-01-01	55.0433866228892
2000-04-01	55.3744569882423
2000-07-01	55.7013447128437
2000-10-01	55.8092592495094
2001-01-01	55.5951957289854
2001-04-01	55.3924433322719
2001-07-01	55.6986692872428
2001-10-01	55.8445865119251
2002-01-01	54.9535654134844
2002-04-01	55.1892680260641
2002-07-01	55.4963045189251
2002-10-01	54.9080955593508
2003-01-01	55.4620339078004
2003-04-01	54.8232217898860
2003-07-01	55.0430191117834
2003-10-01	54.6000891331802
2004-01-01	54.9123759180011
2004-04-01	55.0910167759265
2004-07-01	55.1389596709617
2004-10-01	54.9023760458758
2005-01-01	54.9528430586112
2005-04-01	55.2291313492610
2005-07-01	54.8054520492041
2005-10-01	55.1072564452151
2006-01-01	55.4678675525560
2006-04-01	55.4739530390812
2006-07-01	56.0456623121642
2006-10-01	56.1557765332812
2007-01-01	55.9152077898102
2007-04-01	55.5194111312675
2007-07-01	54.9504387567603
2007-10-01	55.3510272034974
2008-01-01	55.4730129430209
2008-04-01	56.1807193004618
2008-07-01	56.1928584200293
2008-10-01	55.5464188307881
2009-01-01	54.3441556615892
2009-04-01	53.3481665376027
2009-07-01	53.1624265517743
2009-10-01	51.9236336185068
2010-01-01	51.6303969663972
2010-04-01	51.3062589683633
2010-07-01	51.3943598708600
2010-10-01	51.6960746216199
2011-01-01	51.5522386051997
2011-04-01	51.4918313893880
2011-07-01	51.6771300968226
2011-10-01	51.3421383087463
2012-01-01	51.2137147434940
2012-04-01	50.9764097322335
2012-07-01	50.6855661098584
2012-10-01	51.1566029147978
2013-01-01	50.9744669119214
2013-04-01	50.8060647247953
2013-07-01	50.4030812692269
2013-10-01	50.5744287233691
2014-01-01	50.7098793062037
2014-04-01	51.0784693837076
2014-07-01	51.4940064795310
2014-10-01	51.5250266563061