Betsi Cadwaladr had the highest number of amber calls per 10,000 population with 1,434 calls and Cwm Taf Morgannwg had the fewest with 1,095.
Betsi Cadwaladr oedd â'r nifer uchaf o alwadau oren am bob 10,000 o'r boblogaeth gyda 1,434 o alwadau a Chwm Taf Morgannwg oedd â'r lleiaf gyda 1,095.