Много чести (≥ 1/ 10); чести (≥ 1/ 100, < 1/ 10); нечести (≥ 1/ 1000, < 1/ 100); редки (≥ 1/ 10 000, < 1/ 1000); много редки (< 1/ 10 000), включително отделни съобщения.
Very common (≥ 1/ 10); common (≥ 1/ 100, < 1/ 10); uncommon (≥ 1/ 1,000, < 1/ 100); rare (≥ 1/ 10,000, < 1/ 1,000); very rare (< 1/ 10,000), including isolated reports.