Quarterly Percent
1999-04-01 39.6
2000-01-01 39.1
2000-04-01 39.9
2000-07-01 37.4
2000-10-01 40.6
2001-01-01 40.2
2001-04-01 42.3
2001-07-01 42.7
2001-10-01 44.3
2002-01-01 43.2
2002-04-01 47.3
2002-07-01 49.5
2002-10-01 48
2003-01-01 47.9
2003-04-01 49.2
2003-07-01 45.7
2003-10-01 48.5
2004-01-01 56.3
2004-04-01 53.6
2004-07-01 49.5
2004-10-01 49.7
2005-01-01 53.6
2005-04-01 56.6
2005-07-01 56.1
2005-10-01 54
2006-01-01 56.2
2006-04-01 63.8
2006-07-01 59.5
2006-10-01 57.9
2007-01-01 62.1
2007-04-01 65.2
2007-07-01 58.9
2007-10-01 56.5
2008-01-01 58.7
2008-04-01 61.5
2008-07-01 60.2
2008-10-01 61.7
2009-01-01 62.1
2009-04-01 60.1
2009-07-01 60.9
2009-10-01 61.5
2010-01-01 57.7
2010-04-01 56.4
2010-07-01 53.9
2010-10-01 53.1
2011-01-01 56.8
2011-04-01 59.2
2011-07-01 56.8
2011-10-01 58.5
2012-01-01 63.6
2012-04-01 64.1
2012-07-01 61.5
2012-10-01 56.8
2013-01-01 64.5
2013-04-01 67.9
2013-07-01 61.8
2013-10-01 60
2014-01-01 59.3
2014-04-01 62.5
2014-07-01 66.1
2014-10-01 64.5
2015-01-01 61.0
2015-04-01 64.8
2015-07-01 71.5
2015-10-01 65.6
2016-01-01 62.7
2016-04-01 68.9
2016-07-01 68.8
2016-10-01 65.5
2017-01-01 67.2
2017-04-01 68.0
2017-07-01 69.0
2017-10-01 72.9
2018-01-01 72.5
2018-04-01 69.5
