Year Percent 2005-01-01 0.372645000000000 2006-01-01 35.883700000000000 2007-01-01 24.981500000000000 2008-01-01 17.135800000000000 2009-01-01 21.413100000000000 2010-01-01 0.214863000000000 2011-01-01 -8.802110000000000 2012-01-01 2.038920000000000 2013-01-01 8.576910000000000 2014-01-01 10.490800000000000 2015-01-01 -32.951200000000000 2016-01-01 4.720940000000001