Year % 1999 0 2000 0 2001 0 2002 0 2003 0 2004 0 2005 0.0138533 2006 0 2007 0.010523 2008 0.010523 2009 0 2010 0.011202 2011 0.0271104 2013 0.0271104 2015 0.021004 2017 0 2018 0 2019 0 2020 0.39931 2021 0.3904712