VAISALA OYJ SER'A'NPV revenue for the last year amounted to 540.40 M EUR, the most of which — 313.10 M EUR — came from its highest performing source at the moment, Weather and Environment, the year earlier bringing 288.60 M EUR. The greatest contribution to the revenue figure was made by Finland — last year it brought VAISALA OYJ SER'A'NPV 358.80 M EUR, and the year before that — 343.30 M EUR.