Year % 1996 11.92894 2000 0.0272391 2001 0.0112036 2003 0.0111017 2004 0.0424324 2005 0.0417443 2006 12.31101 2007 0.0234052 2008 3.408953 2009 0.044744 2010 3.768287 2011 0.052021 2012 0.0435178 2013 10.26964 2014 3.649328 2015 3.234926 2016 3.395271 2020 0.0160981 2021 0.0200432