Year % of total social insurance benefits 2007 2.58753464226457 2008 3.76584382594892 2009 2.38045579876022 2010 3.07408132954884 2011 2.9637054179504 2012 2.18754254061592 2013 2.48966446296647 2014 2.70156662737095 2015 2.34802499220116 2016 1.56283637661549 2017 3.08637036085424 2018 1.89438118322794 2019 0.946490799473204