Year % 1995 79.38 2001 79.35 2002 79.35 2003 79.23 2004 79.23 2005 79.23 2006 79.23 2007 78.78 2008 78.78 2009 78.78 2010 78.78 2011 79.23 2012 79.23 2013 78.54 2014 78.54 2019 78.54