Year % 2002 1.861733 2004 0 2005 0.7565255 2006 0.7565255 2008 1.253588 2009 1.460703 2010 0 2011 0 2012 0 2013 0 2014 0 2015 0 2016 0 2018 0 2019 0 2020 0 2021 0