Year % 1996 44.8542 1999 44.31661 2000 45.27264 2001 0.4716981 2002 0.4159495 2003 0.4009206 2006 0.0273149 2007 0 2008 0 2009 0 2010 0 2011 0 2012 0 2013 0 2015 0.0390168 2016 0.0325919 2017 0.0417676 2018 0.0421621 2019 0.0177321 2020 0 2021 0