Quarterly Percent
1999-04-01 36.3
2000-01-01 37.4
2000-04-01 38.6
2000-07-01 39.5
2000-10-01 40.4
2001-01-01 40
2001-04-01 39.9
2001-07-01 39.9
2001-10-01 40.9
2002-01-01 41.7
2002-04-01 42.9
2002-07-01 44.2
2002-10-01 44.3
2003-01-01 45.4
2003-04-01 45.5
2003-07-01 45.6
2003-10-01 45.5
2004-01-01 46.4
2004-04-01 46.3
2004-07-01 47.1
2004-10-01 47.7
2005-01-01 47.7
2005-04-01 48.1
2005-07-01 48.3
2005-10-01 48.3
2006-01-01 48.2
2006-04-01 49.3
2006-07-01 50
2006-10-01 50.8
2007-01-01 51.7
2007-04-01 52.8
2007-07-01 53.3
2007-10-01 53.2
2008-01-01 53.7
2008-04-01 54.5
2008-07-01 55.1
2008-10-01 55.7
2009-01-01 56.7
2009-04-01 56.4
2009-07-01 57.1
2009-10-01 57.2
2010-01-01 55.3
2010-04-01 55.7
2010-07-01 56.1
2010-10-01 56.5
2011-01-01 56.7
2011-04-01 57.4
2011-07-01 58.1
2011-10-01 59.4
2012-01-01 59.8
2012-04-01 60.8
2012-07-01 60.9
2012-10-01 61.8
2013-01-01 62.3
2013-04-01 63.2
2013-07-01 64.0
2013-10-01 64.4
2014-01-01 64.2
2014-04-01 64.7
2014-07-01 65.1
2014-10-01 65.5
2015-01-01 66.4
2015-04-01 67.3
2015-07-01 67.1
2015-10-01 67.6
2016-01-01 68.2
2016-04-01 68.4
2016-07-01 68.2
2016-10-01 68.7
2017-01-01 69.0
2017-04-01 69.8
2017-07-01 69.4
2017-10-01 69.9
2018-01-01 69.9
2018-04-01 70.7