Quarterly Percent
1998-01-01 41
1998-04-01 41.5
1998-07-01 41.8
1998-10-01 41.3
1999-01-01 40.5
1999-04-01 40.8
1999-07-01 41.8
1999-10-01 41.8
2000-01-01 40
2000-04-01 40.3
2000-07-01 41.8
2000-10-01 41.4
2001-01-01 39.9
2001-04-01 39.3
2001-07-01 40.9
2001-10-01 41.7
2002-01-01 40.8
2002-04-01 41.1
2002-07-01 41.2
2002-10-01 41.9
2003-01-01 41.9
2003-04-01 42.6
2003-07-01 42.8
2003-10-01 43.9
2004-01-01 40.6
2004-04-01 42.1
2004-07-01 42.5
2004-10-01 43.2
2005-01-01 42.1
2005-04-01 42.4
2005-07-01 42.8
2005-10-01 43.5
2006-01-01 42.3
2006-04-01 43.7
2006-07-01 44.6
2006-10-01 44.1
2007-01-01 44
2007-04-01 44.9
2007-07-01 45.9
2007-10-01 45.3
2008-01-01 44
2008-04-01 45.2
2008-07-01 45.9
2008-10-01 46.1
2009-01-01 45.6
2009-04-01 46.8
2009-07-01 46.6
2009-10-01 47.4
2010-01-01 47.2
2010-04-01 47.5
2010-07-01 47.5
2010-10-01 48.2
2011-01-01 47.9
2011-04-01 47.8
2011-07-01 48
2011-10-01 49.2
2012-01-01 48.7
2012-04-01 50.5
2012-07-01 51.2
2012-10-01 51.2
2013-01-01 51
2013-04-01 52.2
2013-07-01 53.7
2013-10-01 54.2
2014-01-01 55.1
2014-04-01 56.5
2014-07-01 57.1
2014-10-01 57.3
2015-01-01 58.2
2015-04-01 59.7
2015-07-01 59.8
2015-10-01 59.3
2016-01-01 60.6
2016-04-01 62.1
2016-07-01 62.1
2016-10-01 61.9
2017-01-01 61.4
2017-04-01 62.9
2017-07-01 63.3
2017-10-01 63.6
2018-01-01 63.0
2018-04-01 64.2