Year Percent 2005-01-01 0.108322000000000000 2006-01-01 0.108322000000000000 2007-01-01 0.108322000000000000 2008-01-01 0.078030999999999990 2009-01-01 0.084585000000000010 2010-01-01 0.084827000000000000 2011-01-01 0.080343000000000000 2012-01-01 0.047320999999999995 2013-01-01 0.034780000000000000 2014-01-01 0.048201999999999995