Quarterly Percent
1999-01-01 32.5
2000-01-01 28.4
2000-04-01 29
2000-07-01 29.5
2000-10-01 26.7
2001-01-01 25.6
2001-04-01 28.6
2001-07-01 28.4
2001-10-01 26.8
2002-01-01 26.1
2002-04-01 26.6
2002-07-01 25.8
2002-10-01 26.1
2003-01-01 26.6
2003-04-01 27.1
2003-07-01 27
2003-10-01 26.9
2004-01-01 25.5
2004-04-01 26.1
2004-07-01 26.7
2004-10-01 26.5
2005-01-01 25.4
2005-04-01 26.8
2005-07-01 28.7
2005-10-01 27.9
2006-01-01 26.6
2006-04-01 27.3
2006-07-01 29.5
2006-10-01 28.8
2007-01-01 28.5
2007-04-01 29.2
2007-07-01 30.3
2007-10-01 30.6
2008-01-01 30.5
2008-04-01 31.8
2008-07-01 32
2008-10-01 32
2009-01-01 31.4
2009-04-01 31.7
2009-07-01 33.2
2009-10-01 33
2010-01-01 32.6
2010-04-01 33.3
2010-07-01 34.9
2010-10-01 35.4
2011-01-01 35.5
2011-04-01 36.6
2011-07-01 37.7
2011-10-01 37.7
2012-01-01 36.9
2012-04-01 38.3
2012-07-01 39.6
2012-10-01 39.8
2013-01-01 39
2013-04-01 39.9
2013-07-01 41.3
2013-10-01 42
2014-01-01 41.1
2014-04-01 41.7
2014-07-01 43.3
2014-10-01 43.7
2015-01-01 42.9
2015-04-01 43.0
2015-07-01 45.3
2015-10-01 46.1
2016-01-01 45.0
2016-04-01 45.3
2016-07-01 46.6
2016-10-01 47.7
2017-01-01 47.0
2017-04-01 48.2
2017-07-01 49.4
2017-10-01 48.5
2018-01-01 47.6
2018-04-01 49.4
