Transport Statistics Great Britain (Department of Transport) is an annual compendium of transport statistics, including data for Wales on a number of topics.
StatsCymru: dyma adnodd dadansoddi rhyngweithiol Llywodraeth Cymru ac mae ynddo nifer o dablau sy’n ymdrin â gwahanol agweddau ar yr Arolwg Amaethyddol dros y cyfnod rhwng 2007 a 2017.