Table 1: Statistics of spectral peculiar A-stars.

	Total	X-ray	Known	Binaries among
		detected	binaries	X-ray detections
A-type stars	1966	312 (16%)	733 (37%)	194 (62%)
Am	212	41 (19%)	89 (42%)	34 (83%)
Ap	133	18 (14%)	51 (38%)	8 (44%)
A giants	474	62 (13%)	179 (38%)	35 (56%)