Quarterly Percent
1999-04-01 44.1
2000-04-01 42.9
2001-04-01 42.8
2002-04-01 43.2
2003-04-01 45.1
2004-04-01 47.5
2005-01-01 50.9
2005-04-01 51.8
2005-07-01 52.3
2005-10-01 53.4
2006-01-01 53.7
2006-04-01 54.5
2006-07-01 55.1
2006-10-01 56.4
2007-01-01 55.8
2007-04-01 57.6
2007-07-01 57.3
2007-10-01 58.1
2008-01-01 57.6
2008-04-01 59.1
2008-07-01 58.8
2008-10-01 59.4
2009-01-01 60
2009-04-01 61.4
2009-07-01 60.5
2009-10-01 61.9
2010-01-01 62.8
2010-04-01 62.4
2010-07-01 62.3
2010-10-01 62.8
2011-01-01 63.5
2011-04-01 64.2
2011-07-01 64.2
2011-10-01 64.6
2012-01-01 64.7
2012-04-01 65
2012-07-01 65.9
2012-10-01 66.1
2013-01-01 66.5
2013-04-01 67
2013-07-01 67.8
2013-10-01 68.5
2014-01-01 68.7
2014-04-01 68.8
2014-07-01 69.3
2014-10-01 69.5
2015-01-01 69.0
2015-04-01 68.9
2015-07-01 69.7
2015-10-01 70.1
2016-01-01 70.7
2016-04-01 71.2
2016-07-01 71.6
2016-10-01 71.9
2017-01-01 71.5
2017-04-01 72.6
2017-07-01 72.9
2017-10-01 73.4
2018-01-01 72.8
2018-04-01 73.1
