Year	% of total SPL benefits
2008	19.9448765070131
2009	16.7063921958326
2010	17.1650646826157
2011	16.3965032704081
2012	17.6346018989596
2013	16.6374421384995
2014	17.7922232235105
2015	17.1687602167127
2016	17.9262444592246
2017	16.8849045323733
2018	17.1681747379216
2019	13.9177320273573