Year Percent 2006-01-01 -1.49254000000000000 2007-01-01 2.45700000000000000 2008-01-01 1.52884000000000000 2009-01-01 -0.38314200000000000 2010-01-01 -0.24585100000000001 2011-01-01 0.34463000000000000 2012-01-01 0.21680200000000000 2013-01-01 0.63025200000000000 2014-01-01 0.70922000000000000 2015-01-01 -0.43008599999999997 2016-01-01 -0.42468400000000000