While attendances in summer 2021 were broadly in line with summer months prior to the pandemic, attendances have fallen in each month since to levels that are below pre-pandemic levels.
Er bod presenoldeb yn ystod haf 2021 yn debyg iawn i fisoedd yr haf cyn y pandemig, ers hynny gostyngodd ymweliadau ym mhob mis bron ac ar hyn o bryd maent yn is na’r lefelau cyn y pandemig.