Quarter	Net Percent, Seasonally Adjusted
2000-01-01	50.5
2000-04-01	47.4
2000-07-01	51.1
2000-10-01	48.7
2001-01-01	42.9
2001-04-01	40.4
2001-07-01	42.9
2001-10-01	32.1
2002-01-01	32.9
2002-04-01	35.6
2002-07-01	43.7
2002-10-01	42.6
2003-01-01	34
2003-04-01	34.8
2003-07-01	44.5
2003-10-01	45.4
2004-01-01	43.3
2004-04-01	38.9
2004-07-01	44.5
2004-10-01	45.9
2005-01-01	38.7
2005-04-01	40.7
2005-07-01	46.9
2005-10-01	46.3
2006-01-01	42.5
2006-04-01	49.4
2006-07-01	49.7
2006-10-01	50.7
2007-01-01	47.8
2007-04-01	46.6
2007-07-01	49
2007-10-01	43.9
2008-01-01	45.2
2008-04-01	43.5
2008-07-01	39.8
2008-10-01	26
2009-01-01	9.9
2009-04-01	22.4
2009-07-01	35
2009-10-01	40
2010-01-01	35.9
2010-04-01	40.2
2010-07-01	49.1
2010-10-01	48.6
2011-01-01	40
2011-04-01	40.6
2011-07-01	39.9
2011-10-01	40.4
2012-01-01	34.7
2012-04-01	33.6
2012-07-01	35.7
2012-10-01	37.1
2013-01-01	24.4
2013-04-01	28.5
2013-07-01	28.9
2013-10-01	32.1
2014-01-01	27.1
2014-04-01	33.7
2014-07-01	34.5
2014-10-01	32.3
2015-01-01	29.0
2015-04-01	29.0
2015-07-01	29.0
2015-10-01	31.0
2016-01-01	25.0
2016-04-01	29.0
2016-07-01	29.0
2016-10-01	28.0
2017-01-01	30.0
2017-04-01	30.0
2017-07-01	34.0
2017-10-01	34.0
2018-01-01	30.0
2018-04-01	33.0
2018-07-01	33.0