Quarterly Percent
2006-01-01 33.9
2006-04-01 35.6
2006-07-01 38.5
2006-10-01 37.1
2007-01-01 34.5
2007-04-01 36.3
2007-07-01 39.3
2007-10-01 35.9
2008-01-01 35.1
2008-04-01 36.4
2008-07-01 39.4
2008-10-01 37.7
2009-01-01 34.6
2009-04-01 36.9
2009-07-01 41
2009-10-01 37.3
2010-01-01 35.4
2010-04-01 37
2010-07-01 40.2
2010-10-01 36.9
2011-01-01 36.3
2011-04-01 38.3
2011-07-01 41.5
2011-10-01 37.8
2012-01-01 34.5
2012-04-01 37.2
2012-07-01 39.6
2012-10-01 38.1
2013-01-01 36.5
2013-04-01 39.1
2013-07-01 42.2
2013-10-01 37.4
2014-01-01 38.3
2014-04-01 41.3
2014-07-01 43.5
2014-10-01 40
2015-01-01 39.0
2015-04-01 41.3
2015-07-01 45.8
2015-10-01 41.0
2016-01-01 39.7
2016-04-01 42.7
2016-07-01 45.0
2016-10-01 42.0
2017-01-01 40.7
2017-04-01 43.2
2017-07-01 46.5
2017-10-01 42.4
2018-01-01 41.0
2018-04-01 43.1
