For similar cars and drivers, automobile insurance for collision damage has always cost more in Greatport than in Fairmont  Police studies, however, show that cars owned by Greatport residents are, on average, slightly less likely to be involved in a collision than cars in Fairmont
Clearly, ttherefore, insurance companies are making a greater profit on collision-damage insurance in Greatport than in Fairmont
Fairmont and Greatport are the cities with the highest collision-damage insurance rates.