Year % 1991 0 1992 0 1996 0.1520417 1999 49.66169 2001 0.0521047 2002 0.0257381 2003 0.0247271 2004 0 2005 0 2006 0 2007 0 2008 0 2010 0.3373524 2011 0.3373524 2012 0.0090163 2013 0.0090163 2021 0.0026921