Year % of total SPL benefits 2006 2.77690165190824 2010 5.8422574805873 2011 10.9723238737534 2012 10.3982779483106 2013 6.73154224402242 2014 6.3367782171855 2016 6.15980717207016 2017 5.72037989825695 2018 5.58054569884602 2019 5.82779670088228 2020 7.15522583023449 2021 7.12863363249005