Year % of total social insurance benefits 2008 0.593033688551514 2009 0.0346601825449295 2010 0.185054222351163 2011 1.24239716487304 2013 0.438879060200733 2015 0.396299458762546 2016 0.196605929554598 2017 0.0766799998667871 2018 0.24669384937031 2019 0.0954804572402822