Quarterly Percent
1999-04-01 33.5
2000-01-01 37
2000-04-01 31.8
2000-07-01 30.7
2000-10-01 35
2001-01-01 38.7
2001-04-01 32.5
2001-07-01 34.1
2001-10-01 37.5
2002-01-01 38.4
2002-04-01 34.9
2002-07-01 33.7
2002-10-01 37.6
2003-01-01 41.1
2003-04-01 35.9
2003-07-01 36.1
2003-10-01 40.1
2004-01-01 42.6
2004-04-01 38.5
2004-07-01 36
2004-10-01 38.6
2005-01-01 43.8
2005-04-01 38.1
2005-07-01 36.1
2005-10-01 39.7
2006-01-01 44.5
2006-04-01 41.6
2006-07-01 40.7
2006-10-01 45.5
2007-01-01 45.1
2007-04-01 40.7
2007-07-01 40.5
2007-10-01 43.6
2008-01-01 40.1
2008-04-01 35.4
2008-07-01 36.5
2008-10-01 41.1
2009-01-01 44.3
2009-04-01 39.5
2009-07-01 42.5
2009-10-01 46.2
2010-01-01 44.8
2010-04-01 40.6
2010-07-01 43.5
2010-10-01 44.8
2011-01-01 47.6
2011-04-01 44.9
2011-07-01 43.5
2011-10-01 45.3
2012-01-01 45
2012-04-01 41.2
2012-07-01 43.2
2012-10-01 45.5
2013-01-01 45
2013-04-01 43.2
2013-07-01 42.2
2013-10-01 45.9
2014-01-01 47.9
2014-04-01 45.3
2014-07-01 46.2
2014-10-01 48.4
2015-01-01 46.7
2015-04-01 43.5
2015-07-01 42.1
2015-10-01 46.7
2016-01-01 46.3
2016-04-01 45.0
2016-07-01 44.7
2016-10-01 48.1
2017-01-01 47.8
2017-04-01 45.6
2017-07-01 44.8
2017-10-01 47.7
2018-01-01 47.9
2018-04-01 44.3
