20	0
25	0
31	0
40	0
50	0
50	0
63	0
70	0
75	0
77	0
100	0
200	-5
500	0
550	0
600	0
630	0
800	0
1000	0
1250	0
1600	0
2000	0
2500	0
3150	0
4000	0
5000	0
6300	2
8800	-7
11000	0
12500	0
16000	0
20000	0