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)