The combined ratio was 100.6, according to the A.M.Best Co. Statistical Study, which is reported in the latest BestWeek U.S./Canada.
The ratio rose 1.1 points for the top 25 property-casualty groups, to 98.1.
Among the top 25 property-casualty writers, the highest ratios belonged to Erie Insurance Group, with 112.6; Auto-Owners Insurance Group, 111.4; and State Farm Group and Cincinnati Insurance Cos., each at 105.1.