This has led to a likely reduction in the UK to EU export values, and total export values for Wales (and other regions) from January 2021 onwards.
Fe'i diwygiwyd ar 01 Ionawr 2021 gan reoliadau o dan Ddeddf yr Undeb Ewropeaidd (Ymadael) 2018, i adlewyrchu statws y DU y tu allan i'r UE.