Year % 1994 49.56137 1995 47.47737 2001 50.53284 2002 49.39259 2003 52.68095 2004 52.68095 2005 53.96805 2006 52.40223 2007 50.72082 2008 50.66441 2009 50.60937 2010 50.66441 2011 53.09104 2012 52.97885 2013 50.61652 2014 51.637 2019 53.05915