序号	1 To 21records	22 To 42records	43 To 63records	64 To 84records	85 To 105records	average
1	6.25	-3.77	10.21	10.36	0.07	4.62
2	0.96	-2.90	-8.70	14.80	-10.45	-1.26
3	12.50	-4.11	-8.30	9.56	2.89	2.51
4	-7.54	-6.53	7.91	-31.97	37.19	-0.19
5	7.75	3.01	0.18	1.65	-1.44	2.23
6	13.39	5.85	-4.79	3.13	-1.71	3.17
7	4.89	3.71	-10.50	-2.74	1.06	-0.71
8	-5.72	6.97	1.38	11.40	2.94	3.39
9	8.86	1.45	-5.76	7.17	-4.99	1.35
10	-1.74	0.18	12.98	2.60	2.46	3.30
11	-15.39	3.61	22.63	-2.92	5.51	2.69
12	-10.51	0.74	-2.33	7.32	1.50	-0.66
13	-20.15	10.31	-2.03	-1.98	3.00	-2.17
14	-4.81	1.30	3.32	2.54	4.68	1.41
15	-4.16	0.99	-6.79	10.11	33.31	6.69
16	-2.07	23.64	6.19	-4.99	4.62	5.48
17	1.19	-18.45	-3.56	0.55	-9.74	-6.00
18	-6.99	-19.09	7.61	8.38	-3.64	-2.75
19	1.23	-8.94	1.20	-6.95	31.64	3.64
20	1.97	19.72	-2.54	-2.28	6.83	4.74
21	0.37	14.06	1.35	13.07	-0.96	5.58