Financial Ratio

(Financial Statements) unit 1Q2018 2017 2016 2015 2014 2013(1)
Financial Ratio
Gross Profit Margin % 86.35 85.78 85.9 84.5 83.1 81.2
Net Profit Margin % 23.67 16.92 14.2 13.3 12.2 8.0
Return on Equity % 36.69 28.86 26.2 25.7 26.0 18.3
Return on Asset % 6.73 4.66 3.9 3.6 3.3 2.1
Debt to Equity Ratio times 4.08 4.85 5.6 5.9 6.4 7.5

(1) Excluding extraordinary items related to sale of investment.