Много чести (≥1/ 10), чести (≥1/ 100 до < 1/ 10), нечести (≥1/ 1 000 до < 1/ 100), редки (≥1/ 10 000 до < 1/ 1 000), много редки (< 1/ 10 000).
Very common (≥1/10), Common (≥1/100 to < 1/10), Uncommon (≥1/1000 to < 1/100), Rare (≥1/10,000 to < 1/1000), Very Rare (< 1/10,000).