Year % 1999 0 2000 0 2001 0 2002 0 2003 0 2004 0 2005 0.0183262 2006 0.0112651 2007 0.0180799 2008 0.0180799 2009 0.0103708 2010 0.0198564 2011 0.0323977 2013 0.2208936 2015 0.0376719 2017 0 2018 0.0251622 2019 0.0166681 2020 0.3822927 2021 0.3715706