Quarter	Percent, Not Seasonally adjusted
1999-01-01	55.0822026700000
1999-04-01	56.7596251600000
1999-07-01	57.8369030800000
1999-10-01	57.3865129000000
2000-01-01	56.8709853100000
2000-04-01	59.2597054700000
2000-07-01	59.2907198000000
2000-10-01	58.7169392100000
2001-01-01	57.4252410000000
2001-04-01	58.7448547500000
2001-07-01	59.1499383100000
2001-10-01	58.4407628300000
2002-01-01	58.8818979100000
2002-04-01	59.7364880400000
2002-07-01	61.0146514600000
2002-10-01	59.4078377900000
2003-01-01	57.9996863100000
2003-04-01	59.2995337300000
2003-07-01	60.2348682400000
2003-10-01	59.9923161900000
2004-01-01	58.9608629500000
2004-04-01	61.0103445900000
2004-07-01	61.2533147000000
2004-10-01	60.1092534300000
2005-01-01	59.9955545600000
2005-04-01	61.3877403700000
2005-07-01	61.9830483100000
2005-10-01	61.7535328600000
2006-01-01	60.7237649600000
2006-04-01	61.4877827200000
2006-07-01	62.5643948000000
2006-10-01	61.8655548500000
2007-01-01	61.9649699800000
2007-04-01	63.3625214600000
2007-07-01	63.8187750100000
2007-10-01	63.0882856700000
2008-01-01	62.1300562200000
2008-04-01	63.9942683500000
2008-07-01	64.1031763000000
2008-10-01	62.7714058100000
2009-01-01	60.8502816500000
2009-04-01	62.2026612100000
2009-07-01	62.9307498300000
2009-10-01	62.0938695800000
2010-01-01	61.1126921166667
2010-04-01	62.8874908133333
2010-07-01	63.8124294133333
2010-10-01	62.9956539133333
2011-01-01	62.6644604500000
2011-04-01	63.8846926966667
2011-07-01	64.9031327300000
2011-10-01	64.0802502666667
2012-01-01	63.5772146500000
2012-04-01	65.2692692000000
2012-07-01	65.8125389433333
2012-10-01	64.9828412300000
2013-01-01	64.3242632333334
2013-04-01	64.7785335600000
2013-07-01	65.3159986866667
2013-10-01	64.6643535600000
2014-01-01	64.6865737400000
2014-04-01	65.2898716166667
2014-07-01	65.8974654366667
2014-10-01	65.4444044733333
2015-01-01	64.6377768333333
2015-04-01	65.2095863600000
2015-07-01	66.0143834600000