In 2019 number of licenced cars rose by 1.5% to 1.6 million while all vehicles increased by 1.9% to 2.0 million.
Yn 2019 cynyddodd nifer y ceir wedi'u trwyddedu 1.5% i 1.6 miliwn, a chynyddodd nifer yr holl gerbydau 1.9% i 2.0 miliwn.