Quarterly Percent
1998-04-01 22.5
1999-01-01 25.1
1999-04-01 24.7
1999-07-01 24.3
1999-10-01 24.2
2000-01-01 25.8
2000-04-01 25
2000-07-01 27.6
2000-10-01 26.8
2001-01-01 24.7
2001-04-01 25.2
2001-07-01 25.3
2001-10-01 25.2
2002-01-01 26.6
2002-04-01 25.8
2002-07-01 27
2002-10-01 26.9
2003-01-01 26.6
2003-04-01 28.1
2003-07-01 28.5
2003-10-01 29.3
2004-01-01 29.2
2004-04-01 30.1
2004-07-01 30.7
2004-10-01 30
2005-01-01 30.5
2005-04-01 32.1
2005-07-01 32.9
2005-10-01 31.7
2006-01-01 31.3
2006-04-01 30.4
2006-07-01 32.2
2006-10-01 34
2007-01-01 34
2007-04-01 33.8
2007-07-01 34.5
2007-10-01 35.2
2008-01-01 34.6
2008-04-01 32.8
2008-07-01 35.6
2008-10-01 35
2009-01-01 34
2009-04-01 34.8
2009-07-01 35.9
2009-10-01 36.2
2010-01-01 37.1
2010-04-01 36.9
2010-07-01 37.5
2010-10-01 37.9
2011-01-01 37.1
2011-04-01 40.1
2011-07-01 38.7
2011-10-01 38.9
2012-01-01 38.5
2012-04-01 40.3
2012-07-01 40.2
2012-10-01 39
2013-01-01 40.5
2013-04-01 41.6
2013-07-01 42.9
2013-10-01 41.9
2014-01-01 41
2014-04-01 43.7
2014-07-01 42.4
2014-10-01 43.6
2015-01-01 42.9
2015-04-01 43.8
2015-07-01 44.7
2015-10-01 44.7
2016-01-01 44.0
2016-04-01 45.6
2016-07-01 45.6
2016-10-01 46.5
2017-01-01 46.2
2017-04-01 47.7
2017-07-01 49.2
2017-10-01 49.8
2018-01-01 49.6
2018-04-01 49.8
