Year % 1995 0 1998 0.4273504 2000 0.0319183 2001 0.0312695 2002 0 2003 0 2004 0 2005 0 2007 0 2008 0 2009 0 2010 0 2011 0 2012 0 2013 0 2015 0 2016 0 2019 0.3009782