序号	1 To 19records	20 To 38records	39 To 57records	58 To 76records	77 To 95records	average
1	-20.85	6.90	-3.87	30.72	-6.06	1.37
2	-4.27	12.90	-15.74	-19.60	-7.44	-6.83
3	12.12	34.49	16.24	24.95	3.00	18.16
4	-0.95	-15.95	47.35	34.14	16.60	16.24
5	0.87	-5.79	-12.94	-9.73	1.36	-5.25
6	-24.84	22.11	13.26	69.45	18.72	19.74
7	3.26	36.11	22.52	-3.08	-17.91	8.18
8	-30.73	6.51	6.74	14.87	11.63	1.80
9	-7.04	-8.86	-13.89	-17.05	16.05	-6.16
10	1.68	-24.62	6.02	0.46	-7.86	-4.87
11	73.43	19.82	-2.97	46.73	15.40	30.48
12	5.57	-48.21	-34.92	2.33	-10.35	-17.12
13	-7.65	-1.46	14.48	1.31	1.57	1.65
14	16.52	10.44	27.33	6.79	-14.27	9.36
15	-11.74	-2.13	18.08	-11.41	15.63	1.69
16	7.73	-5.61	-1.56	6.70	3.21	2.09
17	-26.17	-8.97	13.18	-17.91	-14.10	-10.79
18	21.13	-16.91	0.80	28.57	104.68	27.65
19	8.57	9.20	-3.10	-13.17	8.82	2.06