In 2021-22, 0.2% of the overall net yield (final bills with all relevant reliefs applied) was actually gained due to ‘losses in collection’.
Yn 2021-22, cafodd 0.2% o gyfanswm yr arenillion net (biliau terfynol â'r holl ryddhadau perthnasol wedi'u cymhwyso atynt) ei ennill oherwydd ‘colledion wrth gasglu’.