Year Percent 2000 43.90542 2001 45.08213 2002 45.31546 2003 45.5008 2004 45.63814 2005 45.72749 2006 45.76885 2007 45.76221 2008 45.70757 2009 45.60494 2010 45.45432 2011 45.2557 2012 45.00909 2013 44.71448 2014 44.37188 2015 45.23663 2016 45.23663 2017 45.23663 2018 45.23663 2019 45.23663