Quarter Percent Change from Year Ago 2005-01-01 15 2005-04-01 13.6 2005-07-01 8.9 2005-10-01 11.2 2006-01-01 13.8 2006-04-01 14.7 2006-07-01 16.8 2006-10-01 11.2 2007-01-01 13.5 2007-04-01 13.1 2007-07-01 14 2007-10-01 15.7 2008-01-01 5.7 2008-04-01 -5.3 2008-07-01 -6.3 2008-10-01 -11.5 2009-01-01 -12.9 2009-04-01 -20.3 2009-07-01 -34.0 2009-10-01 -30.3 2010-01-01 -28.3 2010-04-01 -7.8 2010-07-01 8.4 2010-10-01 11.2 2011-01-01 19.9 2011-04-01 7.6 2011-07-01 6.0 2011-10-01 9.1 2012-01-01 4.8 2012-04-01 7.0 2012-07-01 11.1 2012-10-01 5.3 2013-01-01 7.3 2013-04-01 12.3 2013-07-01 13.9 2013-10-01 15.5 2014-01-01 13.6 2014-04-01 12.6 2014-07-01 9.3 2014-10-01 10.4 2015-01-01 14.1 2015-04-01 11 2015-07-01 11.2 2015-10-01 9.6 2016-01-01 5.9 2016-04-01 6.4 2016-07-01 6.6 2016-10-01 5.9