Year % of total social insurance benefits 2008 17.4108937053985 2009 14.4541399792326 2010 14.7786217610304 2011 14.5329366568462 2012 15.635946317058 2013 14.7668885759498 2014 15.9127219248728 2015 15.2199902940064 2016 16.2912067887165 2017 14.5612948801315 2018 15.0787508539818 2019 11.7183221171183