The number rose by 4% compared to the previous year, and since 2001-02 the number has fallen by almost 50%.
Gostyngodd y nifer 2% o’i gymharu â’r flwyddyn flaenorol, (sy’n cyfateb i 94 yn llai o danau damweiniol), ac ers 2001-02 mae’r nifer wedi gostwng dros 50%.