PREVAS AB SER'B'NPV revenue for the last year amounted to 1.48 B SEK, the most of which — 1.26 B SEK — came from its highest performing source at the moment, Sweden, the year earlier bringing 1.12 B SEK. The greatest contribution to the revenue figure was made by Sweden — last year it brought PREVAS AB SER'B'NPV 1.25 B SEK, and the year before that — 1.10 B SEK.