Quarterly Percent
1999-01-01 29.6
2000-01-01 37.9
2000-04-01 35.7
2000-07-01 33.3
2000-10-01 34.1
2001-01-01 38.4
2001-04-01 39.2
2001-07-01 39.6
2001-10-01 40.9
2002-01-01 42.8
2002-04-01 41.6
2002-07-01 42.3
2002-10-01 43.4
2003-01-01 43.9
2003-04-01 41.4
2003-07-01 41.4
2003-10-01 40.8
2004-01-01 43
2004-04-01 40.1
2004-07-01 37.9
2004-10-01 37.1
2005-01-01 39.4
2005-04-01 38.6
2005-07-01 35.2
2005-10-01 34.4
2006-01-01 34.3
2006-04-01 30
2006-07-01 27.9
2006-10-01 27
2007-01-01 25.6
2007-04-01 21.6
2007-07-01 20.7
2007-10-01 18.7
2008-01-01 18.9
2008-04-01 17.1
2008-07-01 16.1
2008-10-01 17.1
2009-01-01 19.3
2009-04-01 19.2
2009-07-01 21.8
2009-10-01 22.3
2010-01-01 24.6
2010-04-01 23.1
2010-07-01 23.5
2010-10-01 23.5
2011-01-01 26.7
2011-04-01 24.6
2011-07-01 25.4
2011-10-01 26.4
2012-01-01 27.7
2012-04-01 25.1
2012-07-01 25.8
2012-10-01 27.4
2013-01-01 29.2
2013-04-01 26
2013-07-01 26.6
2013-10-01 27.3
2014-01-01 27.2
2014-04-01 23.1
2014-07-01 23.1
2014-10-01 22
2015-01-01 23.3
2015-04-01 19.8
2015-07-01 19.7
2015-10-01 20.2
2016-01-01 19.6
2016-04-01 16.9
2016-07-01 18.0
2016-10-01 16.0
2017-01-01 15.2
2017-04-01 14.6
2017-07-01 14.7
2017-10-01 14.7
2018-01-01 11.8
2018-04-01 10.2
