Quarterly Percent
1999-01-01 36.5
1999-04-01 39
1999-07-01 41.8
1999-10-01 40.1
2000-01-01 34.7
2000-04-01 33.6
2000-07-01 41.4
2000-10-01 36.1
2001-01-01 34.1
2001-04-01 31.7
2001-07-01 36.1
2001-10-01 32.8
2002-01-01 32
2002-04-01 32.6
2002-07-01 34
2002-10-01 31.4
2003-01-01 29.8
2003-04-01 28.9
2003-07-01 30.3
2003-10-01 32.2
2004-01-01 33.3
2004-04-01 35.4
2004-07-01 37.7
2004-10-01 35
2005-01-01 35.1
2005-04-01 31.8
2005-07-01 40.4
2005-10-01 37.8
2006-01-01 36.2
2006-04-01 37.7
2006-07-01 38
2006-10-01 33.8
2007-01-01 32.5
2007-04-01 34.1
2007-07-01 40.7
2007-10-01 34.4
2008-01-01 34.4
2008-04-01 35.4
2008-07-01 43.6
2008-10-01 36.2
2009-01-01 31.3
2009-04-01 35.4
2009-07-01 43.3
2009-10-01 33
2010-01-01 33.8
2010-04-01 35.5
2010-07-01 36.2
2010-10-01 33.8
2011-01-01 29.4
2011-04-01 30.6
2011-07-01 33.4
2011-10-01 35.8
2012-01-01 32.8
2012-04-01 24.6
2012-07-01 32.5
2012-10-01 30.2
2013-01-01 29.1
2013-04-01 29.8
2013-07-01 35.1
2013-10-01 26.7
2014-01-01 26.2
2014-04-01 30.5
2014-07-01 33.9
2014-10-01 31.1
2015-01-01 28.0
2015-04-01 33.4
2015-07-01 35.1
2015-10-01 30.2
2016-01-01 26.9
2016-04-01 30.3
2016-07-01 34.0
2016-10-01 31.0
2017-01-01 31.7
2017-04-01 33.3
2017-07-01 39.8
2017-10-01 34.9
2018-01-01 35.1
2018-04-01 35.2
