A further 300 usual residents who selected a non-spoken language as their main language reported a sign language or communication system other than BSL.
Fe wnaeth 300 o breswylwyr arferol pellach a ddewisodd iaith nad yw’n iaith lafar fel eu prif iaith nodi iaith arwyddion neu system gyfathrebu heblaw Iaith Arwyddion Prydain.