Year % 1994 6.927016 1999 8.663942 2000 7.832841 2001 10.21723 2002 9.9497 2003 8.797936 2004 9.381557 2005 0.225857 2006 0.1924999 2007 0.9240171 2008 0 2009 0 2011 0.2788271 2012 0.2422145 2013 0.2422145 2014 0.1340377 2015 0.3548571 2017 1.44913 2020 2.719946