Year Percent 2007-01-01 5.4100 2008-01-01 5.7900 2009-01-01 1.5600 2010-01-01 0.7800 2011-01-01 0.6270 2012-01-01 0.0734 2013-01-01 0.1686 2014-01-01 -0.0301 2015-01-01 -0.1990 2016-01-01 -0.3504 2017-01-01 -0.3423