Financial ratios for the years ended December 31, Debt ratio Long-term debt to total capital (h) Times Interest eamed (times Cash interest covera (times) Fixed ch covera (times) Cash flow adequacy (times) Profitabili Gross fit mar (%) Operating profit margin (h) Net It in Cash flow m in Return on assets (%) Return one (%) Cash return on assets (%) 2016 66.1 62.0 14 17.0 9.6 201S 71.7 64.8 61.7 11.3 (4.3) 15.3