Quarterly Percent
1999-04-01 44
2000-04-01 45.3
2001-04-01 46
2002-04-01 47.4
2003-01-01 47.2
2003-04-01 47.2
2003-07-01 47.2
2003-10-01 47.2
2004-01-01 49
2004-04-01 49
2004-07-01 49
2004-10-01 49
2005-01-01 50
2005-04-01 50
2005-07-01 50
2005-10-01 50
2006-01-01 52.4
2006-04-01 52.4
2006-07-01 52.4
2006-10-01 52.4
2007-01-01 53.3
2007-04-01 50.9
2007-07-01 54
2007-10-01 54.9
2008-01-01 51.6
2008-04-01 53
2008-07-01 51.5
2008-10-01 51.1
2009-01-01 54.3
2009-04-01 53.2
2009-07-01 53
2009-10-01 52.8
2010-01-01 53.1
2010-04-01 52.5
2010-07-01 53.7
2010-10-01 53.7
2011-01-01 54.8
2011-04-01 52.6
2011-07-01 53.2
2011-10-01 52.9
2012-01-01 54.6
2012-04-01 54.3
2012-07-01 57
2012-10-01 55.5
2013-01-01 55.9
2013-04-01 56.1
2013-07-01 55.4
2013-10-01 55.9
2014-01-01 56.6
2014-04-01 56.5
2014-07-01 56.9
2014-10-01 58
2015-01-01 60.7
2015-04-01 60.1
2015-07-01 59.4
2015-10-01 58.9
2016-01-01 58.3
2016-04-01 58.0
2016-07-01 59.3
2016-10-01 59.5
2017-01-01 58.6
2017-04-01 58.7
2017-07-01 61.7
2017-10-01 59.7
2018-01-01 61.4
2018-04-01 60.1