Year	% of total SPL benefits
2006	1.5027942270226
2009	2.4829945539912
2011	2.63915156803392
2012	2.86173685733731
2015	4.15744633402305
2016	4.31028216092772
2017	4.25750948804415
2018	3.99416181004014
2019	3.82263911840323
2020	9.14507090838629