序号	1 To 17records	18 To 34records	35 To 51records	52 To 68records	69 To 85records	average
1	2.06	-7.88	5.61	-3.30	4.94	0.29
2	-9.51	12.29	38.23	1.89	-4.73	7.63
3	-5.21	85.80	5.39	-8.87	-19.65	11.49
4	18.22	-6.25	-10.72	0.26	20.08	4.32
5	-9.80	59.07	-16.49	-4.86	18.68	9.32
6	0.72	-10.28	-39.91	-0.59	-17.41	-13.50
7	-1.56	4.06	-29.55	4.34	9.20	-2.70
8	14.54	-7.30	-4.83	-4.81	-6.57	-1.79
9	-9.47	5.85	-34.83	-8.79	-7.28	-10.90
10	25.65	-22.09	-3.15	12.30	0.37	2.62
11	-0.39	-7.97	5.40	-7.81	-6.55	-3.46
12	5.82	-1.72	-28.56	1.84	-9.73	-6.47
13	-11.96	74.15	-9.18	-18.65	-25.89	1.69
14	8.67	-0.90	21.90	-10.39	49.62	13.78
15	64.86	0.64	-27.93	-8.68	2.23	6.23
16	2.89	15.03	12.26	-14.84	-13.45	0.38
17	-0.06	54.06	11.95	-27.56	-7.89	6.10