Year Percent Change From Preceding Period 2004-01-01 -0.400006289182313 2005-01-01 6.409013576764550 2006-01-01 2.336219863258950 2007-01-01 -0.233260622981497 2008-01-01 10.668443793946600 2009-01-01 0.863601334026001 2010-01-01 -0.608019811186448 2011-01-01 2.769348453177230 2012-01-01 3.816661132699530 2013-01-01 0.525044934607669 2014-01-01 -0.258042627615193 2015-01-01 0.913883218321247 2016-01-01 -0.194363295864577 2017-01-01 0.350844635113005 2018-01-01 1.999999999999770 2019-01-01 1.999999999999720