Fatal accident rate (FAR) - fatalities per 100 million working hours: 2009: 2.3; 2010: 1.56; 2011: 0.96; 2012: 1.32: 2013: 0.79; 2014: 0.74; 2015: 1.11; 2016: 0.53; 2017: 0.4; 2018: 0.4 (line chart)