Year % 1990 0.1916758 1993 0 1994 0 1997 0.1768173 1998 0.5211241 2000 0.4408883 2001 0.4768168 2003 0.5807028 2004 0.9505129 2005 0.7115328 2006 0.6207325 2007 0.7524344 2008 0.74225 2009 1.189401 2010 0.5628038 2011 0.6904736 2012 0.6216083 2014 0 2015 11.43787 2017 0.4346426 2018 0 2019 0.6570842 2020 0.7423201 2021 0