The most common groups of offences were 'speed limit offences' (17,300), 'vehicle registration and excise licence offences' (10,700) and 'vehicle insurance offences' (10,400).
Y grwpiau troseddau mwyaf cyffredin oedd 'troseddau terfynau cyflymder' (17,300), 'troseddau cofrestru a threth cerbyd' (10,700) a 'troseddau yswiriant cerbydau' (10,400).