序号	1 To 21records	22 To 42records	43 To 63records	64 To 84records	85 To 105records	average
1	8.97	4.90	7.72	-4.05	78.14	19.14
2	6.15	-4.45	30.68	7.38	3.43	8.64
3	-11.85	5.77	5.83	4.57	-8.44	-0.82
4	-4.59	4.60	1.65	-2.91	2.46	0.24
5	1.27	21.69	-26.98	-7.65	15.41	0.75
6	7.89	139.89	-1.94	-5.01	3.91	28.95
7	2.28	2.55	-1.38	7.28	-1.46	1.85
8	41.67	1.28	27.76	-56.99	-11.85	0.37
9	22.32	-0.83	9.14	-38.85	1.76	-1.29
10	4.07	-11.53	-3.35	4.90	7.73	0.36
11	-26.73	13.80	-7.60	16.80	-9.43	-2.63
12	-7.62	18.54	-8.23	-6.79	-13.44	-3.51
13	112.87	25.73	3.97	-0.66	-12.10	25.96
14	-1.02	-11.99	60.17	-2.93	-0.20	8.81
15	5.97	8.59	6.32	-0.31	9.59	6.03
16	-35.07	-10.81	-19.10	107.09	16.04	11.63
17	-33.18	-0.39	-3.80	3.77	35.54	0.39
18	8.43	-11.23	4.87	3.22	2.99	1.66
19	-12.40	48.06	76.93	-0.61	73.44	37.08
20	40.23	24.06	2.40	13.10	8.39	17.64
21	43.59	7.71	15.00	-2.33	43.17	21.43