The median reported loss as a result of the crisis in just the period since the beginning of the outbreak was approximately 20% of normal revenue for the whole year.
Y golled ganolrifol yr adroddwyd o ganlyniad i'r argyfwng mewn dim ond y cyfnod ers dechrau'r achosion oedd oddeutu 20% o'r refeniw arferol am y flwyddyn gyfan.