Quarterly Percent
1999-01-01 27.5
1999-04-01 29.3
1999-07-01 31
1999-10-01 30.9
2000-01-01 31.8
2000-04-01 33
2000-07-01 33.7
2000-10-01 34.3
2001-01-01 33.1
2001-04-01 34.2
2001-07-01 34.6
2001-10-01 34.6
2002-01-01 34.2
2002-04-01 34.9
2002-07-01 35.7
2002-10-01 37
2003-01-01 36.6
2003-04-01 38.3
2003-07-01 38.1
2003-10-01 38.2
2004-01-01 38
2004-04-01 37.8
2004-07-01 38.3
2004-10-01 39.5
2005-01-01 39.8
2005-04-01 40.2
2005-07-01 41
2005-10-01 41.2
2006-01-01 41.4
2006-04-01 41.4
2006-07-01 40.8
2006-10-01 41.2
2007-01-01 40.5
2007-04-01 40.2
2007-07-01 40.6
2007-10-01 39.1
2008-01-01 36.7
2008-04-01 37.8
2008-07-01 38.2
2008-10-01 38.2
2009-01-01 37.9
2009-04-01 38.8
2009-07-01 39.3
2009-10-01 38.8
2010-01-01 37.6
2010-04-01 38.9
2010-07-01 39.3
2010-10-01 38.6
2011-01-01 38.2
2011-04-01 39
2011-07-01 39.8
2011-10-01 40.2
2012-01-01 39
2012-04-01 41.5
2012-07-01 42.5
2012-10-01 42.5
2013-01-01 42.5
2013-04-01 44.6
2013-07-01 45.7
2013-10-01 46.5
2014-01-01 47.6
2014-04-01 48.9
2014-07-01 50.9
2014-10-01 51.1
2015-01-01 51.1
2015-04-01 54.1
2015-07-01 55.9
2015-10-01 56.4
2016-01-01 57.8
2016-04-01 59.2
2016-07-01 60.4
2016-10-01 61.2
2017-01-01 60.6
2017-04-01 62.0
2017-07-01 63.6
2017-10-01 64.1
2018-01-01 64.0
2018-04-01 63.9