Year	% of total SPL benefits
2005	9.95527676685595
2006	10.4960495529804
2007	11.4023993775164
2008	11.6379233439955
2009	11.3661426253348
2010	11.7652963314776
2011	11.5642051733767
2012	11.5353639489736
2015	11.2472410301016
2016	12.1941798136641
2017	15.5360313737793