However, in November the number fell slightly, from over 753,000 to around 748,000, a second consecutive decrease following consistent increases from April 2020.
Fodd bynnag, ym mis Tachwedd roedd y nifer wedi gostwng ychydig, o dros 753,000 i tua 748,000, yr ail ostyngiad yn olynol yn dilyn cynnydd cyson ers mis Ebrill 2020.