Year Percent 2008-01-01 2.2646900000000003 2009-01-01 0.1275510000000000 2010-01-01 0.1275510000000000 2011-01-01 0.1275510000000000 2012-01-01 0.1275510000000000 2013-01-01 0.1275510000000000 2014-01-01 0.1275510000000000 2015-01-01 0.5970150000000000 2016-01-01 0.5277820000000000