Quarterly Percent
1999-04-01 25.7
1999-07-01 26.1
1999-10-01 26.5
2000-01-01 26.7
2000-04-01 27.1
2000-07-01 27.1
2000-10-01 27.8
2001-01-01 28.3
2001-04-01 28.4
2001-07-01 29.1
2001-10-01 29.2
2002-01-01 29.8
2002-04-01 30.7
2002-07-01 31.1
2002-10-01 31.6
2003-01-01 32.2
2003-04-01 33.4
2003-07-01 33.5
2003-10-01 33.2
2004-01-01 33.5
2004-04-01 34
2004-07-01 32.8
2004-10-01 34.6
2005-01-01 35.8
2005-04-01 37.4
2005-07-01 37.4
2005-10-01 38.5
2006-01-01 38.7
2006-04-01 40
2006-07-01 38.8
2006-10-01 38.6
2007-01-01 39.5
2007-04-01 40.1
2007-07-01 39.6
2007-10-01 40.7
2008-01-01 40.7
2008-04-01 41.6
2008-07-01 42.0
2008-10-01 41.2
2009-01-01 41.7
2009-04-01 42.1
2009-07-01 42.0
2009-10-01 41.3
2010-01-01 41.7
2010-04-01 43.8
2010-07-01 43.6
2010-10-01 42.1
2011-01-01 43.4
2011-04-01 44.2
2011-07-01 43.0
2011-10-01 43.7
2012-01-01 43.2
2012-04-01 43.9
2012-07-01 42.8
2012-10-01 43.5
2013-01-01 42.9
2013-04-01 43.6
2013-07-01 43.7
2013-10-01 45.3
2014-01-01 44.5
2014-04-01 45.3
2014-07-01 45.2
2014-10-01 45.7
2015-01-01 46.3
2015-04-01 46.4
2015-07-01 46.7
2015-10-01 48.0
2016-01-01 49.4
2016-04-01 49.0
2016-07-01 48.5
2016-10-01 49.6
2017-01-01 50.2
2017-04-01 51.0
2017-07-01 49.7
2017-10-01 51.6
2018-01-01 51.2
2018-04-01 52.0
