序号	1 To 18records	19 To 36records	37 To 54records	55 To 72records	73 To 90records	average
1	10.02	-26.53	190.83	-17.25	1.88	31.79
2	-10.94	-31.13	0.47	0.65	-25.44	-13.28
3	2.94	-4.14	-13.79	-10.01	1.56	-4.69
4	7.64	-17.91	2.77	-16.88	13.79	-2.12
5	35.68	-15.50	-32.60	19.81	-5.91	0.29
6	-5.24	-5.64	-27.05	-21.49	-19.55	-15.79
7	8.60	3.94	7.14	-37.71	-27.32	-9.07
8	14.79	31.90	-4.57	-11.99	-43.00	-2.57
9	-16.58	7.72	-17.96	-33.05	-34.03	-18.78
10	12.89	-22.69	-20.76	-9.73	-16.25	-11.31
11	-2.94	0.15	26.58	-13.23	22.25	6.56
12	1.90	53.21	-17.18	-5.48	29.76	12.44
13	2.96	63.53	6.46	-20.58	-32.83	3.91
14	27.91	275.36	22.96	-10.30	-26.73	57.84
15	3.82	10.97	17.00	6.61	-26.74	2.33
16	-6.36	-7.72	21.35	38.68	-6.18	7.95
17	8.14	-0.35	-9.12	8.71	-28.30	-4.18
18	16.95	-11.00	13.46	-18.94	-15.00	-2.91