Well, as a comparison, we know that Tesla has failed to report to NHTSA any collisions that didn't deploy the airbag.

Tesla report ids from SGO-2021-01_Incident_Reports_ADAS.csv with no or unknown airbag deployment status: 13781-13330, 13781-13319, 13781-13299, 13781-13208, 13781-8843, 13781-13149, 13781-13103, 13781-13070, 13781-13052... and more