Year % 1995 18.78599 1996 20.35343 1997 6.521929 1998 0 1999 14.26737 2000 0 2001 0 2002 0 2003 0.0285166 2004 0.4723679 2005 0.0313136 2006 0.0245351 2007 0.020127 2008 0.0336467 2009 16.61773 2010 16.41353 2011 0.0557274 2012 0.0571072 2013 15.55809 2014 12.09184 2015 12.17077 2016 11.78129 2017 12.07493 2018 0.0192715 2019 0.0173497 2020 0.0234666 2021 0.0174669