Year	% of total social insurance benefits
2005	6.77825326156918
2006	7.28138991391595
2007	8.28220789644304
2008	8.78499915049708
2009	8.59535967117119
2010	8.64711319872131
2011	8.5814863326522
2012	8.43908974752494
2015	8.419943946787
2016	9.73269446216801
2017	13.0179789927279