Quarterly Percent
2006-01-01 10.9
2006-04-01 8.1
2006-07-01 8.0
2006-10-01 8.3
2007-01-01 10.2
2007-04-01 8.2
2007-07-01 8.3
2007-10-01 9.2
2008-01-01 10.7
2008-04-01 8.2
2008-07-01 8.9
2008-10-01 11.4
2009-01-01 14.7
2009-04-01 12.5
2009-07-01 12.1
2009-10-01 12
2010-01-01 13.3
2010-04-01 9.9
2010-07-01 9.8
2010-10-01 9.5
2011-01-01 10.3
2011-04-01 8.2
2011-07-01 7.6
2011-10-01 7.7
2012-01-01 9.3
2012-04-01 7.1
2012-07-01 7.1
2012-10-01 7.7
2013-01-01 9.0
2013-04-01 7.5
2013-07-01 7.9
2013-10-01 8.1
2014-01-01 9.8
2014-04-01 8.1
2014-07-01 9.1
2014-10-01 9.8
2015-01-01 10.5
2015-04-01 8.5
2015-07-01 8.9
2015-10-01 9.5
2016-01-01 10.2
2016-04-01 8.7
2016-07-01 9.6
2016-10-01 10.4
2017-01-01 11.9
2017-04-01 9.0
2017-07-01 8.5
2017-10-01 8.9
2018-01-01 9.5
2018-04-01 8.5
