2 4	0.5
4 6	0.7
6 7	0.85
7 8	1
9 10	1.5
10 15	2.5
15 20	3.4
20 25	4.3
25 30	5.2
30 35	6.1
35 40	7
40 50	8.3
50 60	9.6
60 70	10.8
70 76	11.2
76 80	11.8
80 90	12.6
90 100	13.6
100 120	15
120 140	16
140 160	17
160 180	18
180 200	19
200 250	20
250 300	22
