序号	1 To 27records	28 To 54records	55 To 81records	82 To 108records	109 To 135records	average
1	-2.41	-4.10	-4.59	4.36	14.69	1.59
2	0.51	2.34	0.26	11.34	-23.95	-1.90
3	-19.32	12.77	7.17	10.37	-3.61	1.48
4	-8.41	-8.41	2.21	1.51	3.42	-1.93
5	-10.65	6.39	29.67	2.37	-4.08	4.74
6	0.31	10.08	3.01	-3.12	-0.08	2.04
7	1.63	7.54	10.14	-1.49	-3.29	2.91
8	2.59	0.98	-3.55	0.00	17.47	3.50
9	1.91	0.62	7.71	-4.04	-2.39	0.76
10	-5.69	4.04	0.00	2.33	21.27	4.39
11	2.01	2.10	1.42	-0.22	1.94	1.45
12	-5.80	-1.61	6.67	-3.91	-9.00	-2.73
13	6.70	3.46	9.96	1.73	-4.11	3.55
14	-0.84	-3.21	-3.20	4.46	4.46	0.33
15	16.94	6.74	0.54	-4.15	-0.33	3.95
16	-12.75	3.20	-0.74	0.08	-2.11	-2.46
17	10.11	-1.06	-1.44	0.47	10.43	3.70
18	2.49	-7.33	0.15	1.35	-2.09	-1.09
19	1.11	1.03	0.62	4.69	8.20	3.13
20	-3.34	1.90	6.77	5.23	-3.87	1.34
21	-0.11	1.09	2.27	20.54	-0.66	4.63
22	3.09	1.56	-2.30	0.49	1.82	0.93
23	0.40	9.00	-19.10	5.10	0.99	-0.72
24	-4.45	6.37	24.11	-14.91	2.60	2.74
25	-5.40	-3.91	14.50	0.00	0.57	1.15
26	-5.61	-3.50	-3.57	4.23	4.60	-0.77
27	0.88	0.61	-19.42	0.96	0.87	-3.22