20	3.50
25	5.50
31.5	6
40	6
50	6
63	6
70      5.50
80	4.75
90      3.5
100	2.50
125	1
160	0.50
200	0
1000	-0.65
1600	-1
2000	-1.25
3000	-1.90
4000	-3.1
5000	-3.75
7000	-4.4
10000	-5
20000	-5.6