[O]  [A]  [B]  [AB]
Aïnu (Japan)  0.17  0.32  0.337  0.173
Chinese (Hong Kong)  0.422  0.178  0.333  0.067
Caucasians (USA)  0.45  0.40  0.111  0.039
Amerindians (USA)  0.79  0.16  0.046  0.004