Year % 1993 0 1994 0 1995 0 1996 0 1997 0 1998 0 1999 0 2000 8.72364 2001 2.297123 2002 1.803024 2003 0.2205477 2004 0 2005 0 2006 0 2007 0 2008 0 2009 0 2010 0 2011 0 2012 0 2014 0 2015 0 2016 0 2017 0 2018 0 2019 0 2020 0 2021 0