Year % of total safety net benefits 2009 16.365362960415 2011 15.3290637854778 2012 15.5511293809316 2015 31.5819892954934 2016 33.5530189155217 2017 33.7944920592131 2018 33.1831415100238 2019 31.4504083240305 2020 22.4627638071145