Year Percent 2003-01-01 54.6000 2004-01-01 55.1000 2005-01-01 48.8000 2006-01-01 83.5000 2007-01-01 88.6000 2008-01-01 66.3000 2009-01-01 55.2000 2010-01-01 36.8882 2011-01-01 38.9584 2012-01-01 33.5040 2013-01-01 33.8626 2014-01-01 56.8268 2015-01-01 46.2499 2016-01-01 42.7235