Year % of total SPL benefits 2007 5.53895905247362 2008 9.07357856640461 2009 8.48357856265503 2010 8.9239881946029 2011 7.90383993793034 2012 8.2751215201524 2013 7.32415352813295 2014 8.50125026326928 2015 8.79367785327497 2016 7.0253637530085 2017 13.4751597943348 2018 11.2250230184832 2019 4.19719322387812