The value ranged from £7.5 million to £14 million between 2011-12 and 2019-20, with a spike of £27.9 million in 2020-21 as a result of the COVID-19 pandemic.
Roedd y gwerth yn amrywio o £7.5 miliwn i £14 miliwn rhwng 2011-12 a 2019-20 a chyrhaeddodd uchafbwynt o £27.9 miliwn yn 2020-21 o ganlyniad i bandemig COVID-19.