Year % of total SPL benefits 2008 1.38952418472433 2009 4.96673819271869 2010 5.23982941972541 2011 5.40646897947434 2012 5.31730063082327 2013 5.06384358594374 2014 5.72634677536361 2015 8.5804748962243 2016 7.96263838123694 2017 8.89100477616391 2018 8.38165011016686 2019 7.94592411664138