How many movies have Aarre Koivisto and Reino Helismaa collaborated on?

They have worked on 18 movies together! Their first movie together was Rovaniemen markkinoilla (1951) while their highest rated movie together was Kankkulan kaivolla (1960). They have not worked together since "Ei se mitään!" sanoi Eemeli (1962). They are most known for their comedy films together.