You don't eject from a Grob Tutor, you know! I doubt that statistic included fast jets.
In fact, as far as I know, no-one's ever bailed out from a Tutor, either, even though all operations are carried out wearing parachutes. I'd be interested to know if I'm wrong, because I quote that statistic to cadets regularly!
There was an incident about three years ago when one shed a prop blade, followed by the engine cowlings and canopy before the pilot managed to shut it down, but they still landed that one in a field. (Hairline cracks in the props were found on a number of other Tutors leading to an AD.)
Tim