Quarter	Percent
1995-01-01	32.1608040200000
1995-04-01	34.6559517800000
1995-07-01	33.6004006000000
1995-10-01	33.0343796700000
1996-01-01	32.7218641500000
1996-04-01	34.1859321200000
1996-07-01	32.5649828300000
1996-10-01	31.3658536600000
1997-01-01	33.4303736100000
1997-04-01	34.4325897200000
1997-07-01	32.6699029100000
1997-10-01	29.6170625300000
1998-01-01	33.6202773800000
1998-04-01	33.8122605400000
1998-07-01	33.9838172300000
1998-10-01	34.5574387900000
1999-01-01	33.8074917000000
1999-04-01	34.5643939400000
1999-07-01	35.2968677000000
1999-10-01	36.2037037000000
2000-01-01	38.0996310000000
2000-04-01	38.6861313900000
2000-07-01	37.1893357400000
2000-10-01	36.8609865500000
2001-01-01	39.1592920400000
2001-04-01	38.2802269800000
2001-07-01	38.6070507300000
2001-10-01	41.0267288900000
2002-01-01	39.3723849400000
2002-04-01	39.4389438900000
2002-07-01	41.6666666700000
2002-10-01	42.2106527800000
2003-01-01	42.2328168500000
2003-04-01	43.0145612000000
2003-07-01	43.7743190700000
2003-10-01	44.0261237000000
2004-01-01	44.9659349000000
2004-04-01	43.9804364200000
2004-07-01	44.2415206900000
2004-10-01	43.9661515800000
2005-01-01	45.0724637700000
2005-04-01	43.7209302300000
2005-07-01	45.4641722600000
2005-10-01	48.3859649100000
2006-01-01	45.9496725300000
2006-04-01	48.0991174500000
2006-07-01	49.5812395300000
2006-10-01	49.3570722100000
2007-01-01	49.2663840900000
2007-04-01	50.2393871700000
2007-07-01	50.2837326600000
2007-10-01	51.3125000000000
2008-01-01	53.6397285600000
2008-04-01	51.0117789200000
2008-07-01	50.4778972500000
2008-10-01	51.0179994100000
2009-01-01	52.9870129900000
2009-04-01	52.9294084000000
2009-07-01	53.4502262400000
2009-10-01	52.5362318800000
2010-01-01	51.5789473700000
2010-04-01	53.7932930200000
2010-07-01	55.7854614800000
2010-10-01	54.7464940700000
2011-01-01	55.6360708500000
2011-04-01	55.5287171200000
2011-07-01	53.1016042800000
2011-10-01	54.2354821500000
2012-01-01	56.7666666666667
2012-04-01	58.1000000000000
2012-07-01	57.5666666666667
2012-10-01	57.9333333333333
2013-01-01	58.8333333333333
2013-04-01	60.1333333333333
2013-07-01	58.4333333333333
2013-10-01	59.2666666666667
2014-01-01	60.4000000000000
2014-04-01	59.2666666666667
2014-07-01	59.6666666666667
2014-10-01	61.7333333333333
2015-01-01	62.0333333333333
2015-04-01	60.9000000000000
2015-07-01	62.2000000000000
2015-10-01	62.0000000000000
2016-01-01	62.6000000000000
2016-04-01	61.9333333333333
2016-07-01	60.1000000000000
2016-10-01	62.5333333333333
2017-01-01	61.4000000000000
2017-04-01	60.4333333333333
2017-07-01	60.7333333333333
2017-10-01	62.8666666666667
2018-01-01	62.1666666666667
2018-04-01	61.6000000000000
2018-07-01	63.2666666666667