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.
Mae hyn wedi arwain at ostyngiad tebygol yn y DU i werthoedd allforio'r UE, a chyfanswm gwerthoedd allforio Cymru (a rhanbarthau eraill) o fis Ionawr 2021 ymlaen.