Year % 1996 38.14951 1999 38.56359 2000 0.0887383 2001 0.0555379 2002 0.2884032 2003 0.0388169 2006 0.0519635 2007 0.0598623 2008 0.0300729 2009 0.0078864 2010 0.0153022 2011 0.0223547 2012 0.0148976 2013 0.0148976 2014 0 2015 0 2016 0 2017 0 2018 0 2019 0 2020 0