In the 15-year period since free prescriptions were introduced, almost 21 million additional items were prescribed and dispensed in the community, an increase of 33.6%.
Yn y cyfnod o 15 mlynedd ers cyflwyno presgripsiynau am ddim, cafodd bron i 21 miliwn o eitemau ychwanegol eu rhagnodi a'u dosbarthu yn y gymuned, cynnydd o 33.6%.