Description of Figure 11: Column chart shows number of lorries and trailers that were moved between Welsh ports and the Irish Republic in the latest 10-year period.
Disgrifiad o Ffigur 11: Mae'r siart golofnau'n dangos nifer y lorïau a'r trelars a deithiodd rhwng porthladdoedd Cymru a Gweriniaeth Iwerddon dros y 10 mlynedd ddiwethaf.