Year % 1994 0 1996 0 1997 0 1998 0.0108448 2000 0 2001 0.0143947 2003 0 2006 0.0468165 2008 0.0473737 2009 0.3681352 2010 0.3697279 2011 25.31256 2012 0.19762 2013 0.1712475 2014 0.072507 2015 0 2016 0 2019 0.0070348 2020 0 2021 0