Много чести (≥1/ 10) Чести (≥1/ 100, < 1/ 10) Нечести (≥1/ 1 000, < 1/ 100) Редки (≥1/ 10 000, < 1/ 1 000)
Very common (≥ 1/ 10) Common (≥ 1/ 100, < 1/ 10) Uncommon (≥ 1/ 1,000, < 1/ 100) Rare (≥ 1/ 10,000, < 1/ 1,000)