(a) The figures cover all additional affordable housing units, whether through new build, purchases, acquisition, leasing or conversion of existing dwellings.
(a) Mae'r ffigurau'n cwmpasu pob uned tai fforddiadwy ychwanegol, p'un ai drwy adeiladu o'r newydd, prynu, caffael, prydlesu neu addasu anheddau presennol.