Quarterly Percent
1999-04-01 37
2000-01-01 41.3
2000-04-01 36.2
2000-07-01 33.5
2000-10-01 39.3
2001-01-01 43.2
2001-04-01 35.3
2001-07-01 34.7
2001-10-01 37.8
2002-01-01 38.5
2002-04-01 34
2002-07-01 32.9
2002-10-01 37.7
2003-01-01 40.7
2003-04-01 36.8
2003-07-01 35
2003-10-01 38.6
2004-01-01 41.2
2004-04-01 35.6
2004-07-01 34.8
2004-10-01 39.9
2005-01-01 44
2005-04-01 38.4
2005-07-01 36.5
2005-10-01 40.5
2006-01-01 44.7
2006-04-01 40.6
2006-07-01 38.4
2006-10-01 44.4
2007-01-01 43.5
2007-04-01 39.8
2007-07-01 37.3
2007-10-01 39
2008-01-01 37.2
2008-04-01 36
2008-07-01 36.9
2008-10-01 40.9
2009-01-01 40.5
2009-04-01 39.4
2009-07-01 40.1
2009-10-01 44.2
2010-01-01 44
2010-04-01 41.3
2010-07-01 43
2010-10-01 44.3
2011-01-01 44.4
2011-04-01 43.2
2011-07-01 41.6
2011-10-01 44.3
2012-01-01 44.8
2012-04-01 41.8
2012-07-01 39.8
2012-10-01 42.3
2013-01-01 40.6
2013-04-01 41.1
2013-07-01 41.7
2013-10-01 43.7
2014-01-01 45.6
2014-04-01 44
2014-07-01 42.9
2014-10-01 44.3
2015-01-01 45.2
2015-04-01 40.4
2015-07-01 41.7
2015-10-01 46.2
2016-01-01 44.9
2016-04-01 44.8
2016-07-01 42.5
2016-10-01 47.1
2017-01-01 48.5
2017-04-01 44.9
2017-07-01 44.1
2017-10-01 46.7
2018-01-01 47.9
2018-04-01 44.5