[Много чести (> 1/ 10); Чести (> 1/ 100, < 1/ 10); Нечести (> 1/ 1000, < 1/ 100); Редки (> 1/ 10- 000, < 1/ 1 000); Много редки (< 1/ 10 000) вкл. изолирани съобщения]
[Very Common (≥ 1/ 10); Common (≥ 1/ 100, < 1/ 10); Uncommon (≥ 1/ 1000, < 1/ 100); Rare (≥ 1/ 10,000, < 1/ 1,000); Very rare (< 1/ 10,000) including isolated cases]