Attendances have increased in every month since February 2021, and in June 2021 surpassed pre-pandemic levels with the average number of attendances per day being the second highest on record.
Mae’r ymweliadau wedi cynyddu pob mis ers mis Chwefror 2021 ac ym mis Mehefin, roeddent yn uwch na’r lefelau cyn y pandemig; roedd nifer cyfartalog yr ymweliadau bob dydd yr ail uchaf ar gofnod.