Year % 1993 1.083305 1998 8.21062 1999 1.742424 2000 2.08161 2002 0.2909246 2003 0.2907183 2004 0.2972189 2005 0.585547 2006 0.5581049 2007 0.365099 2008 0 2009 0.3645801 2010 0.3813659 2011 0.2817439 2012 0.3390478 2013 0.5153311 2014 0 2015 0.8449514 2016 0.887735 2018 0.2496329 2019 0.2159827 2020 0.2147219 2021 0.5694907