Quarterly Percent
1999-04-01 37
2000-01-01 37.3
2000-04-01 37.5
2000-07-01 43.1
2000-10-01 40.6
2001-01-01 36.4
2001-04-01 36.3
2001-07-01 40.4
2001-10-01 38
2002-01-01 32
2002-04-01 31.9
2002-07-01 37.5
2002-10-01 37.8
2003-01-01 33
2003-04-01 39.4
2003-07-01 44.8
2003-10-01 38.4
2004-01-01 35.1
2004-04-01 39.9
2004-07-01 40.1
2004-10-01 34.9
2005-01-01 33.6
2005-04-01 38.3
2005-07-01 36.9
2005-10-01 36.1
2006-01-01 34.9
2006-04-01 36.1
2006-07-01 35.4
2006-10-01 36.4
2007-01-01 36.4
2007-04-01 37.8
2007-07-01 40.3
2007-10-01 37.1
2008-01-01 38.2
2008-04-01 37.3
2008-07-01 43.5
2008-10-01 44.5
2009-01-01 40.3
2009-04-01 38.8
2009-07-01 42.5
2009-10-01 34.6
2010-01-01 38.2
2010-04-01 38
2010-07-01 38.7
2010-10-01 36.2
2011-01-01 37.1
2011-04-01 40.8
2011-07-01 44.4
2011-10-01 37.8
2012-01-01 40.6
2012-04-01 41.3
2012-07-01 42.6
2012-10-01 38.6
2013-01-01 39.2
2013-04-01 40.4
2013-07-01 40.3
2013-10-01 39.2
2014-01-01 38
2014-04-01 40.1
2014-07-01 40.5
2014-10-01 38.2
2015-01-01 39.4
2015-04-01 44.7
2015-07-01 43.8
2015-10-01 39.1
2016-01-01 38.3
2016-04-01 44.0
2016-07-01 48.2
2016-10-01 42.6
2017-01-01 44.4
2017-04-01 46.1
2017-07-01 47.4
2017-10-01 46.5
2018-01-01 47.7
2018-04-01 49.2