How many movies have Aarre Koivisto and Vivan Gustafsson collaborated on?

They have worked on 9 movies together! Their first movie together was Isäpappa ja keltanokka (1950) while their highest rated movie together was Kukonlaulusta kukonlauluun (1955). They have not worked together since Rakkaus kahleissa (1955). They are most known for their comedy films together.