Table 19.

The amount of blood transferred from the collection centers to the temporary centers.

Temporary center	Collection center
	Babolsar		Babol		Juybar		Sari		Neka		Behshahr
Period	$t_1$	$t_2$	$t_1$	$t_2$	$t_1$	$t_2$	$t_1$	$t_2$	$t_1$	$t_2$	$t_1$	$t_2$
Behshahr	78	54	73	51	45	42	28	30	15	25	55	52
Juybar	35	47	30	41	42	45	20	28	52	38	75	56
Babolsar	32	50	26	35	34	45	50	42	79	55	80	56