Meget almindelig (≥ 1/ 10), almindelig (≥ 1/ 100 til, < 1/ 10), ikke almindelig (≥ 1/ 1. 000 til, < 1/ 100).
Frequencies are defined as: very common (≥ 1/ 10), common (≥ 1/ 100, < 1/ 10), uncommon (≥ 1/ 1,000, < 1/ 100).