Quarterly Percent
1998-01-01 42.5
1999-01-01 43.9
1999-04-01 43.3
1999-07-01 41.7
1999-10-01 39.8
2000-01-01 44.5
2000-04-01 44.3
2000-07-01 42.7
2000-10-01 42.9
2001-01-01 40.2
2001-04-01 43.1
2001-07-01 42.3
2001-10-01 42.9
2002-01-01 40.8
2002-04-01 42.6
2002-07-01 42.3
2002-10-01 42.9
2003-01-01 42.5
2003-04-01 43.3
2003-07-01 42.8
2003-10-01 43.1
2004-01-01 37
2004-04-01 39.4
2004-07-01 38.8
2004-10-01 38.7
2005-01-01 39.1
2005-04-01 40.2
2005-07-01 40.3
2005-10-01 41.9
2006-01-01 43.3
2006-04-01 44.4
2006-07-01 44.2
2006-10-01 44.4
2007-01-01 45.2
2007-04-01 48.9
2007-07-01 48.7
2007-10-01 47.6
2008-01-01 50.3
2008-04-01 50.9
2008-07-01 48.9
2008-10-01 49.4
2009-01-01 48.9
2009-04-01 50.8
2009-07-01 51.5
2009-10-01 51
2010-01-01 50.6
2010-04-01 51.6
2010-07-01 52.2
2010-10-01 51.1
2011-01-01 49.7
2011-04-01 50.8
2011-07-01 50.7
2011-10-01 50.2
2012-01-01 49.4
2012-04-01 52.4
2012-07-01 53.6
2012-10-01 53.6
2013-01-01 53
2013-04-01 55.5
2013-07-01 55.6
2013-10-01 56.2
2014-01-01 55.1
2014-04-01 57.5
2014-07-01 56.8
2014-10-01 57.8
2015-01-01 56.5
2015-04-01 56.5
2015-07-01 57.7
2015-10-01 58.8
2016-01-01 60.0
2016-04-01 61.5
2016-07-01 61.6
2016-10-01 61.5
2017-01-01 61.6
2017-04-01 63.0
2017-07-01 63.0
2017-10-01 64.5
2018-01-01 64.9
2018-04-01 65.9
