Description of Figure 12: Clustered column chart showing the proportions of goods that were carried between Wales and Republic of Ireland by route from 2014 to 2022.
Hefyd, mae ffynhonnell ddata arbrofol yn awgrymu bod cyfran nad yw’n ddibwys o’r llwythi sy’n teithio rhwng Caergybi a Dulyn ar eu ffordd i Ogledd Iwerddon neu’n tarddu yno.