I've certainly seen cases where self-driving cars behaved in a way that I would consider reckless if a human was at the wheel, but were not collisions, did not result in injury, and I expect will not form part of any statistics reported to any government body
A few weeks ago I saw one blow a red light. Nobody hurt or killed, so it wasn't reported to any responsible agency. It might not have even been tallied by the company, if the car thought there wasn't a problem. But its action was clearly unsafe.
It's hard to get a grip on the problem when the data is so faulty.