Quarterly Percent
1999-01-01 21.2
1999-04-01 21.2
1999-07-01 21.2
1999-10-01 21.1
2000-01-01 21.6
2000-04-01 22.5
2000-07-01 23
2000-10-01 23.6
2001-01-01 23.4
2001-04-01 23.3
2001-07-01 23.8
2001-10-01 24.2
2002-01-01 24.5
2002-04-01 25.1
2002-07-01 24.7
2002-10-01 25.1
2003-01-01 25.3
2003-04-01 26.1
2003-07-01 26.5
2003-10-01 26.8
2004-01-01 27.3
2004-04-01 27.6
2004-07-01 27.5
2004-10-01 27.8
2005-01-01 29.5
2005-04-01 30
2005-07-01 29.5
2005-10-01 30.6
2006-01-01 31.5
2006-04-01 31
2006-07-01 30.3
2006-10-01 31.8
2007-01-01 32.7
2007-04-01 32.9
2007-07-01 32.2
2007-10-01 33.2
2008-01-01 33.7
2008-04-01 34
2008-07-01 33.9
2008-10-01 35.4
2009-01-01 36.2
2009-04-01 37.5
2009-07-01 37
2009-10-01 37.5
2010-01-01 38.1
2010-04-01 37.7
2010-07-01 38.5
2010-10-01 39.5
2011-01-01 40.2
2011-04-01 41.8
2011-07-01 42.6
2011-10-01 42.5
2012-01-01 42.8
2012-04-01 44.2
2012-07-01 44.5
2012-10-01 44
2013-01-01 44.6
2013-04-01 45
2013-07-01 45.2
2013-10-01 46
2014-01-01 46.4
2014-04-01 46.9
2014-07-01 46.5
2014-10-01 47.8
2015-01-01 48.3
2015-04-01 49.0
2015-07-01 49.2
2015-10-01 51.1
2016-01-01 51.5
2016-04-01 51.4
2016-07-01 52.0
2016-10-01 51.9
2017-01-01 51.6
2017-04-01 52.0
2017-07-01 51.5
2017-10-01 52.1
2018-01-01 52.7
2018-04-01 52.8
2018-07-01 52.5