Year % 1996 97.44 1999 97.93 2000 97.93 2001 97.93 2002 97.93 2003 97.93 2004 97.93 2006 97.8 2007 97.8 2010 97.8 2011 97.8 2012 97.5 2013 97.5 2020 95.86 2021 95.84