序号	1 To 16records	17 To 32records	33 To 48records	49 To 64records	65 To 80records	average
1	8.33	-1.11	114.45	4.64	4.51	26.17
2	-4.54	3.67	17.80	154.07	7.09	35.62
3	23.54	-5.75	2.72	23.38	1.27	9.03
4	38.23	-5.39	16.91	36.65	6.13	18.51
5	-15.21	10.38	58.50	-7.13	33.17	15.94
6	266.67	19.04	8.60	40.07	10.42	68.96
7	17.55	11.81	18.36	8.72	71.71	25.63
8	4.41	17.28	-2.06	12.17	-18.63	2.64
9	-23.85	3.78	2.61	34.78	28.70	9.21
10	6.50	-16.86	30.53	16.85	14.08	10.22
11	9.50	3.42	9.47	7.10	5.51	7.00
12	1.82	180.37	3.49	5.84	5.43	39.39
13	-9.89	5.04	19.44	7.55	0.57	4.54
14	3.38	5.13	3.36	5.39	6.48	4.75
15	1.30	37.28	-5.62	-2.95	14.99	9.00
16	3.48	9.14	16.43	7.90	12.63	9.92