Here in British Columbia, our provincially owned insurer (ICBC) saved significant money because of fewer claims during Covid. They even issued a rebate to most drivers. Though they also noted losing some revenue due to fewer or lower premiums being paid. The amount saved was far greater.
https://assets.ctfassets.net/nnc41duedoho/BNR4qtOTGPJuyQADtK...
I wonder if the difference was largely because of Canada's more strict lock downs. The roads were nearly dead here for quite awhile.