WOLTERS KLUWER NAM. EO-12 revenue for the last year amounted to 5.92 B EUR, the most of which — 1.58 B EUR — came from its highest performing source at the moment, Health, the year earlier bringing 1.51 B EUR. The greatest contribution to the revenue figure was made by United States and Canada — last year it brought WOLTERS KLUWER NAM. EO-12 3.79 B EUR, and the year before that — 3.58 B EUR.