Quarterly Percent
1998-04-01 23.8
1999-01-01 26.3
1999-04-01 26.2
1999-07-01 25.7
1999-10-01 25.2
2000-01-01 26.7
2000-04-01 25.9
2000-07-01 28.3
2000-10-01 27.6
2001-01-01 25.7
2001-04-01 26
2001-07-01 25.8
2001-10-01 26.2
2002-01-01 27.8
2002-04-01 26.7
2002-07-01 28.3
2002-10-01 28
2003-01-01 27.3
2003-04-01 28.5
2003-07-01 29.3
2003-10-01 30.5
2004-01-01 30.5
2004-04-01 31.3
2004-07-01 31.8
2004-10-01 31.1
2005-01-01 32
2005-04-01 33.5
2005-07-01 34.2
2005-10-01 33.4
2006-01-01 32.7
2006-04-01 32.2
2006-07-01 33.9
2006-10-01 35.6
2007-01-01 36.1
2007-04-01 35.2
2007-07-01 35.7
2007-10-01 36.5
2008-01-01 36.1
2008-04-01 34.1
2008-07-01 37.7
2008-10-01 36.5
2009-01-01 35.9
2009-04-01 36.9
2009-07-01 37.8
2009-10-01 38
2010-01-01 38.5
2010-04-01 38.8
2010-07-01 39.6
2010-10-01 39.6
2011-01-01 38.9
2011-04-01 41.7
2011-07-01 40.5
2011-10-01 40.2
2012-01-01 40.2
2012-04-01 42
2012-07-01 42.2
2012-10-01 40.9
2013-01-01 43.1
2013-04-01 43.8
2013-07-01 45.5
2013-10-01 44
2014-01-01 43.4
2014-04-01 45.9
2014-07-01 44.5
2014-10-01 46.5
2015-01-01 45.7
2015-04-01 46.6
2015-07-01 47.2
2015-10-01 47.0
2016-01-01 46.5
2016-04-01 48.8
2016-07-01 48.3
2016-10-01 49.1
2017-01-01 49.8
2017-04-01 50.9
2017-07-01 51.8
2017-10-01 52.6
2018-01-01 52.0
2018-04-01 52.0
