Year % 1993 0 1997 0 2001 1.280798 2002 2.327067 2003 0 2004 1.322531 2005 0 2006 1.209598 2007 1.559581 2008 0.839256 2009 0.0158316 2010 0 2011 0 2012 0 2013 0 2015 1.518931 2016 0 2018 0.0148832 2020 0.1772278 2021 0.1772278