Table 1.

Distribution of BDs by age group, sex, and season.

Age Groups	Winter			Spring			Summer			Autumn			Total for Age Groups
	BDs	M	F	BDs	M	F	BDs	M	F	BDs	M	F	BDs
18–25	4	4	0	5	4	1	6	5	1	6	2	4	21
26–35	15	9	6	11	8	3	13	8	5	11	5	6	50
36–45	23	15	8	18	14	4	16	11	5	26	18	8	83
46–55	28	20	8	28	21	7	29	21	8	25	16	9	110
56–65	17	16	1	16	10	6	17	13	4	16	9	7	66
Total for season	87	64	23	78	57	21	81	58	23	84	50	34	330

BDs = Blood Donors; M = Male; F = Female.