more than 5.0 m³ growth per hectare per year
18
less than 1.0 m³ growth per hectare per year
11
1.0 - 3.0 m³ growth per hectare per year
12
3.0 - 5.0 m³ growth per hectare per year
13
information relating to the forest productivity class has not been registered:
99
information relating to the forest productivity class is not relevant
98