2015 0.33 2.2 0.46 0.29 0.39 0.09 2016 0.29 1.8 0.49 0.15 0.26 0.22 2017 0.62 1.8 0.85 0.53 0.82 0.23 2018 0.65 0.88 0.53 0.93 0.28 https://www.alcoa.com/global/en/who-we-are/values/default.asp https://www.alcoa.com/global/en/who-we-are/values/default.asp In 2018, we transitioned our safety strategy to two pillars—systems and culture—and began developing tools and programs to support each.