Year	% of total social insurance benefits
2008	2.5502128035868
2009	2.4638714605883
2010	2.41191085090498
2011	2.79035772278701
2012	3.3944461678554
2015	3.05498164093395
2016	3.24853582876404
2017	3.15587643383238
2018	3.04899767722691
2019	3.22744123654072
2020	2.92804168293514