Year % 1996 25.5757 1999 25 2000 0 2001 0.4483532 2002 0.7019438 2003 0.7073386 2004 0 2006 0.9952534 2007 0 2010 0 2011 0 2012 0 2013 0 2015 0 2016 0 2020 0 2021 0