Quarterly Percent
1998-01-01 4.4
1998-04-01 3.2
1998-07-01 3.3
1998-10-01 3.4
1999-01-01 3.6
1999-04-01 3.7
1999-07-01 3.5
1999-10-01 3.4
2000-01-01 3.2
2000-04-01 2.7
2000-07-01 2.7
2000-10-01 2.4
2001-01-01 2.6
2001-04-01 2.5
2001-07-01 2.7
2001-10-01 2.7
2002-01-01 3.0
2002-04-01 3.3
2002-07-01 3.3
2002-10-01 4.5
2003-01-01 5.3
2003-04-01 4.8
2003-07-01 4.8
2003-10-01 4.7
2004-01-01 4.7
2004-04-01 4.9
2004-07-01 5.2
2004-10-01 5.7
2005-01-01 6.1
2005-04-01 6.0
2005-07-01 6.1
2005-10-01 6.4
2006-01-01 5.9
2006-04-01 5.8
2006-07-01 5.4
2006-10-01 6.3
2007-01-01 6.5
2007-04-01 6.1
2007-07-01 6.1
2007-10-01 5.7
2008-01-01 5.8
2008-04-01 5.8
2008-07-01 6.0
2008-10-01 6.3
2009-01-01 7.6
2009-04-01 8.2
2009-07-01 9.0
2009-10-01 9.1
2010-01-01 9.3
2010-04-01 9.1
2010-07-01 8.9
2010-10-01 9.8
2011-01-01 11.4
2011-04-01 10.9
2011-07-01 11
2011-10-01 12.8
2012-01-01 13.7
2012-04-01 14.1
2012-07-01 15.1
2012-10-01 15.7
2013-01-01 17.2
2013-04-01 15.9
2013-07-01 14.4
2013-10-01 14.2
2014-01-01 13.7
2014-04-01 12
2014-07-01 11
2014-10-01 11.5
2015-01-01 11.8
2015-04-01 10.9
2015-07-01 10.1
2015-10-01 10.4
2016-01-01 11.0
2016-04-01 9.5
2016-07-01 9.3
2016-10-01 8.9
2017-01-01 8.5
2017-04-01 7.3
2017-07-01 6.6
2017-10-01 6.7
2018-01-01 6.4
2018-04-01 5.6
