Quarterly Percent
2006-01-01 27.5
2006-04-01 30.5
2006-07-01 32.4
2006-10-01 30.9
2007-01-01 28.1
2007-04-01 30.7
2007-07-01 32.5
2007-10-01 29.5
2008-01-01 28.3
2008-04-01 30.9
2008-07-01 32.4
2008-10-01 29.5
2009-01-01 25.9
2009-04-01 28.5
2009-07-01 32.3
2009-10-01 29
2010-01-01 27.1
2010-04-01 30.4
2010-07-01 32.5
2010-10-01 29.9
2011-01-01 29.5
2011-04-01 32.1
2011-07-01 34.5
2011-10-01 32
2012-01-01 28.8
2012-04-01 31.9
2012-07-01 33.7
2012-10-01 31.7
2013-01-01 29.8
2013-04-01 33.3
2013-07-01 35.1
2013-10-01 30.7
2014-01-01 31.8
2014-04-01 34.8
2014-07-01 35.4
2014-10-01 32.1
2015-01-01 31.2
2015-04-01 34.4
2015-07-01 37.5
2015-10-01 33.2
2016-01-01 32.4
2016-04-01 35.3
2016-07-01 36.1
2016-10-01 32.6
2017-01-01 31.3
2017-04-01 34.8
2017-07-01 37.0
2017-10-01 34.3
2018-01-01 33.3
2018-04-01 35.5
