Year % 1988 0.394892 1989 0.3945076 1990 0.0359564 1992 0.0359638 1995 22.21952 1996 0 1997 0 1998 0 1999 0 2000 0 2001 0 2002 0.9860568 2003 0 2005 0.1999408 2006 0.0847145 2008 0.0989854 2009 0.0019875 2010 0 2011 0 2013 0 2014 0.1958607 2015 0 2016 0 2020 0 2021 0