One respondent encouraged us to review the potential of the ONS experimental admin-based income statistics for England and Wales (ABIS) as developments progress.
Gwnaeth un ymatebydd ein hannog i adolygu potensial ystadegau incwm seiliedig ar ddata gweinyddol arbrofol y SYG i Gymru a Lloegr wrth i ddatblygiadau fynd rhagddynt.