Year % 1995 25.9099 1996 27.67588 1997 23.43871 1998 20.05724 1999 18.59383 2000 0.0117691 2001 0 2002 0 2003 0 2004 0.4248626 2005 0 2006 0 2007 0 2008 0 2009 0 2010 0 2011 0 2012 0 2013 0 2014 0 2016 0 2018 0 2019 0 2020 0 2021 0