Year Percent 2003-01-01 0.2408130000000000 2004-01-01 0.0534690000000000 2005-01-01 0.0846000000000000 2006-01-01 0.0722660000000000 2007-01-01 0.5802600000000000 2008-01-01 0.5285260000000000 2009-01-01 0.2250970000000000 2010-01-01 0.0803800000000000 2011-01-01 0.8379070000000000 2012-01-01 0.5286250000000000 2013-01-01 0.9054870000000000 2014-01-01 1.2376300000000000 2015-01-01 1.3185200000000001 2016-01-01 1.6343600000000000