Year % of total social insurance benefits 2006 2.39856867344765 2010 4.52021924472126 2011 10.1524766176269 2012 9.63401495545315 2013 3.85748547117857 2014 3.55451590681384 2016 3.32797795269487 2017 3.39761569371554 2018 2.97356253043237 2019 2.85160930133796 2020 2.43561526131968 2021 3.31454032287392