序号	1 To 17records	18 To 34records	35 To 51records	52 To 68records	69 To 85records	average
1	-12.93	9.25	-10.10	-2.71	-3.11	-3.92
2	-5.18	-8.69	-6.17	5.89	-4.97	-3.82
3	44.33	-5.36	-10.75	2.76	159.57	38.11
4	14.94	-12.60	10.05	-9.10	-5.12	-0.36
5	-3.82	88.36	0.22	-3.82	2.98	16.78
6	4.54	-0.08	64.02	17.02	-10.01	15.10
7	-4.00	-1.19	-1.02	-2.67	3.25	-1.12
8	-9.16	6.10	23.76	-1.06	8.96	5.72
9	-4.26	36.53	2.53	-5.51	1.09	6.08
10	-1.34	0.24	-1.24	-1.59	-0.19	-0.83
11	-35.69	-2.46	47.67	-17.15	-5.57	-2.64
12	-0.19	49.61	-5.71	7.55	52.03	20.66
13	-4.99	-5.57	4.91	-2.37	16.39	1.68
14	-20.69	16.08	-10.50	4.01	-22.16	-6.65
15	1.41	-7.32	1.60	-3.25	-2.93	-2.10
16	-9.99	33.37	-1.23	13.74	-11.60	4.86
17	3.85	9.59	-17.67	-3.55	13.10	1.06