Therefore, the UK total and performing sector level research and development (R&D) figures are designated as National Statistics, while the remaining figures have official statistics designation.
Mae cyfansymiau y DU a ffigurau Y&D ar lefel sector wedi'u dynodi'n ystadegau swyddogol achrededig, tra bod gan weddill y ffigurau (gan gynnwys data Cymru) ddynodiad ystadegau swyddogol.