Year	% of total SPL benefits
2008	5.31140443003889
2009	2.75221789108826
2010	2.58316552755924
2011	3.06288510128903
2012	3.93398001796749
2015	5.53422301768913
2016	5.66021855058307
2017	5.54835212954829
2018	5.3481221113931
2019	5.33928188786291
2020	6.3783984610645