Year % 1988 8.996345 1989 11.35912 1990 0 1992 0 1995 0 1996 0 1997 0.0230429 1998 0.025201 1999 0.1533505 2000 0.0349088 2001 0.0310655 2002 0.3228751 2003 0.377823 2004 0 2005 0.3250059 2006 0.0253329 2007 2.632642 2008 0.427598 2009 0.1516304 2010 0 2011 0.4427603 2012 0.4245866 2013 0.3982035 2014 0 2015 0 2016 0.3362874 2017 0.0044375 2018 0.0044375 2020 0.003928 2021 0.0039159