73 of those were on suspicion of drink-driving, 82 on suspicion of drug-driving, 1 for both and 18 for failure to provide a specimen.
Chief Inspector Michael Hodder called the statistics “disheartening” and said it’s the “stubborn minority” putting people’s lives at risk.
Driving under the influence could result in a prison sentence, an unlimited fine, trouble travelling abroad, or a fatality.