Year Percent 2003-01-01 30.3718 2004-01-01 27.2561 2005-01-01 26.6467 2006-01-01 29.5610 2007-01-01 58.5990 2008-01-01 50.2778 2009-01-01 52.8022 2010-01-01 52.8022 2011-01-01 52.8022 2012-01-01 150.0000 2013-01-01 72.6750