Quarterly Percent
1999-01-01 32.1
1999-04-01 32
1999-07-01 35.9
1999-10-01 35.3
2000-01-01 36.8
2000-04-01 36.9
2000-07-01 37.4
2000-10-01 36.7
2001-01-01 39.4
2001-04-01 38.9
2001-07-01 39.6
2001-10-01 38.8
2002-01-01 38.9
2002-04-01 37.7
2002-07-01 37.7
2002-10-01 36.4
2003-01-01 34.7
2003-04-01 32.9
2003-07-01 34.1
2003-10-01 31.9
2004-01-01 34
2004-04-01 32.8
2004-07-01 33
2004-10-01 32.5
2005-01-01 31.6
2005-04-01 28.3
2005-07-01 30.5
2005-10-01 29.8
2006-01-01 29.2
2006-04-01 26.3
2006-07-01 27.6
2006-10-01 23.5
2007-01-01 20.4
2007-04-01 19.2
2007-07-01 21.9
2007-10-01 19.8
2008-01-01 19
2008-04-01 19.1
2008-07-01 19.4
2008-10-01 18.6
2009-01-01 22.4
2009-04-01 25.1
2009-07-01 29.3
2009-10-01 31.9
2010-01-01 33.6
2010-04-01 31.9
2010-07-01 34.3
2010-10-01 34.2
2011-01-01 33.3
2011-04-01 31.9
2011-07-01 33.8
2011-10-01 34.7
2012-01-01 33.7
2012-04-01 31.7
2012-07-01 34.4
2012-10-01 36.1
2013-01-01 34.4
2013-04-01 32.3
2013-07-01 33.7
2013-10-01 34.3
2014-01-01 32.1
2014-04-01 29.2
2014-07-01 30
2014-10-01 27.5
2015-01-01 26.4
2015-04-01 25.3
2015-07-01 27.9
2015-10-01 26.2
2016-01-01 24.3
2016-04-01 20.6
2016-07-01 22.7
2016-10-01 21.3
2017-01-01 18.7
2017-04-01 17.7
2017-07-01 19.7
2017-10-01 19.5
2018-01-01 17.1
2018-04-01 13.7
