This equates to approximately 1 person in every 55 (95% credible interval: 1 in 70 to 1 in 45), or 55,300 people during this time (95% credible interval: 43,900 to 67,700).
Mae hyn yn gyfwerth i tua 1 o bob 55 o unigolion (cyfwng credadwy o 95%: 1 o bob 70 i 1 o bob 45), neu 55,300 o yn ystod y cyfnod hwn (cyfwng credadwy 95%: 43,900 i 67,700).