Reports & publications 2018 2017 2016 2015 2014 2018 Sustainability report 2017 Sustainability report 2017 Sustainability report - full version 2017 Key performance indicators 2017 Green & Social Bonds Report 2016 Sustainability report 2016 Key performance indicators 2015 Sustainable development report 2015 Key performance indicators 2014 Sustainable development report 2014 Key performance indicators