3/8 in		1/2 in		3/4 in		Sample No.
EI (%)	FI (%)	EI (%)	FI (%)	EI (%)	FI (%)	Sample No.
76	22	84	20	73	26	1
81	25	73	24	83	40	2
73	26	72	25	78	26	3
82	26	78	29	78	28	4
85	38	82	40	84	39	5
70	28	75	25	81	22	6
63	28	73	24	72	31	7
79	45	82	42	85	26	8
69	19	71	16	62	17	9
74	33	71	20	85	25	10
67	21	60	20	70	20	11
80	35	77	28	83	24	12
71	21	68	26	76	20	13
70	24	72	21	79	20	14
61	26	66	26	67	20	15
81	44	87	37	90	32	16
86	42	89	38	85	36	17
82	36	81	35	90	28	18
76	22	76	28	81	22	19
74	28	63	28	82	23	20