2017 2016 Change, %
Net sales, MEUR 89.0 75.5 17.9%
EBIT, MEUR 19.9 14.8 34.3%
EBIT, % 22.3 19.6
Return on investment (ROI), % 47.0 38.7
Gearing, % -52.3 -27.0
Capital expenditure, MEUR 1.8 1.6 13.7%
R&D costs, MEUR 7.2 6.1 17.9%
R&D costs, % of net sales 8.0 8.0
Earnings per share, EUR 1.09 0.81 34.4%

Calculation of key figures