Table 1.

Statistic on blood collection by the blood banks of the ministry of health in the initial period between 1990 and 1993

Year	n Unit collected	Yearly increment	Increment (%)a
1990	7000	-
1991	7155	155	2.21
1992	8140	985	13.77
1993	10133	1993	24.48

^a% increment as to previous year collection