Quarterly Percent
1999-01-01 10.3
1999-04-01 11.3
1999-07-01 11.9
1999-10-01 12.1
2000-01-01 12.1
2000-04-01 13.2
2000-07-01 14
2000-10-01 14.7
2001-01-01 14.3
2001-04-01 14.4
2001-07-01 15.7
2001-10-01 15.9
2002-01-01 16.6
2002-04-01 17.3
2002-07-01 18.1
2002-10-01 19.8
2003-01-01 20.8
2003-04-01 21.8
2003-07-01 22.8
2003-10-01 24
2004-01-01 24.8
2004-04-01 25.1
2004-07-01 26.1
2004-10-01 27.1
2005-01-01 26.8
2005-04-01 27.7
2005-07-01 28
2005-10-01 28.2
2006-01-01 27.7
2006-04-01 27.9
2006-07-01 27.6
2006-10-01 27.5
2007-01-01 27
2007-04-01 27.7
2007-07-01 26.5
2007-10-01 26.3
2008-01-01 26.2
2008-04-01 26
2008-07-01 27
2008-10-01 27.3
2009-01-01 27.3
2009-04-01 27.7
2009-07-01 27.8
2009-10-01 29.5
2010-01-01 29.9
2010-04-01 31
2010-07-01 32.4
2010-10-01 33.4
2011-01-01 34.1
2011-04-01 34.8
2011-07-01 35.1
2011-10-01 35
2012-01-01 34.4
2012-04-01 35
2012-07-01 34.9
2012-10-01 33.7
2013-01-01 33.4
2013-04-01 34.5
2013-07-01 35.1
2013-10-01 35.9
2014-01-01 36.1
2014-04-01 37.3
2014-07-01 38
2014-10-01 38.1
2015-01-01 38.6
2015-04-01 39.7
2015-07-01 40.7
2015-10-01 40.6
2016-01-01 42.0
2016-04-01 43.5
2016-07-01 44.1
2016-10-01 44.3
2017-01-01 43.2
2017-04-01 44.1
2017-07-01 44.9
2017-10-01 45.0
2018-01-01 46.0
2018-04-01 45.7