Very common ((≥ 1/ 10), Common (≥ 1/ 100 to < 1/ 10), Uncommon (≥ 1/ 1,000 to < 1/ 100), Rare (≥ 1/ 10,000 to < 1/ 1,000) and Very rare (< 1/ 10,000), not known (cannot be estimated from the available data).