From the website:"the number of cars involved in a fatal crash were normalized by the total number of vehicle miles driven"
They assume every car drives the average number of miles. Of course a CR-V is going to score high, since they likely drive more than an average number of miles.
A 911 on the other hand probably drives a small fraction of the average.
This study is fairly low quality. The IHHS list 13.3 fatalities per billion miles as the actual number.
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