How does insurance for stolen property work in Japan? Do the insurers not require evidence that the theft has been reported to the police, as they do here? Or d

How does insurance for stolen property work in Japan? Do the insurers not require evidence that the theft has been reported to the police, as they do here? Or do those reports not form part of the Japanese crime statistics, and if so, what would those look like if they did? Or is something else going on?