Quarterly Percent
1998-04-01 33.9
1999-01-01 35.1
1999-04-01 36.8
1999-07-01 34.9
1999-10-01 34.6
2000-01-01 37.7
2000-04-01 36.3
2000-07-01 38.6
2000-10-01 37.4
2001-01-01 35.5
2001-04-01 36.6
2001-07-01 36.2
2001-10-01 37
2002-01-01 37.8
2002-04-01 36.3
2002-07-01 38.5
2002-10-01 37.2
2003-01-01 35.2
2003-04-01 39.4
2003-07-01 39.5
2003-10-01 41.4
2004-01-01 39.7
2004-04-01 41
2004-07-01 40.9
2004-10-01 39.8
2005-01-01 42.4
2005-04-01 43.2
2005-07-01 45.4
2005-10-01 42.6
2006-01-01 42.2
2006-04-01 40.1
2006-07-01 42.5
2006-10-01 46
2007-01-01 46.3
2007-04-01 42.2
2007-07-01 44.7
2007-10-01 44.7
2008-01-01 44.4
2008-04-01 42.8
2008-07-01 45
2008-10-01 45.6
2009-01-01 44.7
2009-04-01 43.9
2009-07-01 45.6
2009-10-01 46.4
2010-01-01 45.8
2010-04-01 48.1
2010-07-01 47.5
2010-10-01 48.9
2011-01-01 46.5
2011-04-01 48.5
2011-07-01 47.7
2011-10-01 48.6
2012-01-01 47.6
2012-04-01 48
2012-07-01 48.4
2012-10-01 47.6
2013-01-01 49.6
2013-04-01 51.4
2013-07-01 51.1
2013-10-01 49.9
2014-01-01 50.5
2014-04-01 52.1
2014-07-01 49.4
2014-10-01 53.1
2015-01-01 51.6
2015-04-01 51.9
2015-07-01 53.3
2015-10-01 51.9
2016-01-01 51.5
2016-04-01 55.0
2016-07-01 54.1
2016-10-01 53.8
2017-01-01 55.5
2017-04-01 55.8
2017-07-01 56.4
2017-10-01 59.8
2018-01-01 58.5
2018-04-01 57.5
