The increase since free prescriptions were introduced is much smaller than the increase of £352.8 million (or 152.2%) in NIC in the previous 14 year period (1993-94 to 2007-08).
Mae’r cynnydd ers i bresgripsiynau am ddim gael eu cyflwyno yn llawer llai na’r cynnydd o £352.8 miliwn (neu 152.2%) mewn NIC yn y cyfnod blaenorol o 14 mlynedd (rhwng 1993-94 a 2007-08).