Lost time injury frequency (LTIF) - injuries per million working hours: 2008: 0.6; 2009: 0.4; 2010: 0.35; 2011: 0.36; 2012: 0.34; 2013: 0.36; 2014: 0.28; 2015: 0.26; 2016: 0.25; 2017: 0.2 (line chart)