序号	1 To 16records	17 To 32records	33 To 48records	49 To 64records	65 To 80records	average
1	-11.47	-6.86	6.30	14.89	-6.48	-0.73
2	40.62	3.92	-5.36	5.99	2.31	9.49
3	-12.17	-5.60	-2.15	-4.44	-2.80	-5.43
4	-10.18	-8.59	0.87	37.89	-4.71	3.06
5	-10.33	32.54	-9.59	-3.24	-0.89	1.70
6	-10.18	-13.81	-8.53	-16.09	-1.79	-10.08
7	37.19	1.42	3.65	-19.07	2.31	5.10
8	-8.28	2.44	20.57	19.78	-2.17	6.47
9	3.60	-3.27	-4.90	-5.40	7.45	-0.50
10	-3.70	-4.17	-9.56	5.29	-2.27	-2.88
11	-9.55	-2.86	5.20	14.60	-1.91	1.10
12	-5.64	1.78	-8.99	-3.91	-7.12	-4.78
13	-18.71	1.79	-12.54	16.60	-3.50	-3.27
14	-17.33	-4.70	-1.16	-2.36	5.23	-4.06
15	28.18	0.42	4.57	-1.75	6.94	7.67
16	4.74	14.99	-1.97	-2.61	-10.25	0.98