Quarterly Percent
1998-01-01 15.0
1998-04-01 10.7
1998-07-01 13.4
1998-10-01 13.7
1999-01-01 12.2
1999-04-01 11
1999-07-01 11.2
1999-10-01 10.7
2000-01-01 12.9
2000-04-01 11.8
2000-07-01 11.2
2000-10-01 11.3
2001-01-01 13.4
2001-04-01 12
2001-07-01 10.7
2001-10-01 12.4
2002-01-01 12.4
2002-04-01 12.1
2002-07-01 13.8
2002-10-01 17.5
2003-01-01 17.5
2003-04-01 16.7
2003-07-01 16.6
2003-10-01 17.2
2004-01-01 17.4
2004-04-01 15.9
2004-07-01 18.8
2004-10-01 18.8
2005-01-01 20
2005-04-01 17.6
2005-07-01 20.4
2005-10-01 18.5
2006-01-01 18
2006-04-01 15.6
2006-07-01 19.2
2006-10-01 21.1
2007-01-01 20.7
2007-04-01 19.2
2007-07-01 19.9
2007-10-01 21.4
2008-01-01 20.6
2008-04-01 17.5
2008-07-01 21.2
2008-10-01 21.8
2009-01-01 21.8
2009-04-01 18.6
2009-07-01 22.5
2009-10-01 23.9
2010-01-01 23.7
2010-04-01 20
2010-07-01 25.8
2010-10-01 26.7
2011-01-01 29.6
2011-04-01 27.2
2011-07-01 32.8
2011-10-01 37
2012-01-01 36.8
2012-04-01 36.4
2012-07-01 40.8
2012-10-01 43
2013-01-01 45.2
2013-04-01 40
2013-07-01 35.4
2013-10-01 38.1
2014-01-01 37.9
2014-04-01 34.6
2014-07-01 34.5
2014-10-01 34.6
2015-01-01 38.9
2015-04-01 31.7
2015-07-01 33.6
2015-10-01 33.6
2016-01-01 32.1
2016-04-01 28.2
2016-07-01 27.1
2016-10-01 27.6
2017-01-01 26.3
2017-04-01 22.6
2017-07-01 27.2
2017-10-01 25.8
2018-01-01 19.8
2018-04-01 21.8
