Year % of total SPL benefits 2007 0.964115088051434 2008 2.88474359122261 2009 2.54166836212796 2010 2.99429392458559 2011 3.33252669808493 2012 1.0369018175426 2014 2.3843724743209 2015 1.57811141686659 2016 0.80466884099087 2017 0.70130262665275 2018 1.14496471858928 2019 1.15836666671971