Gan gofio bod y DU, drwy ei haelodaeth o Undeb Tollau'r UE, yn gallu masnachu â mwy na 70 o wledydd sydd â Chytundeb Masnach Rydd, mae bron tair o bob pedair punt y mae busnesau o Gymru yn eu hennill drwy werthu dramor yn dibynnu ar hyn o bryd ar ein perthynas â'n partneriaid yn yr UE.
Taking into account the 70 plus countries with Free Trade Agreements that the UK has access to through its membership of the EU’s Customs Union, nearly three in every four pounds earned by Welsh businesses from overseas sales currently depends on our relationship with our EU partners.