0.5,0
0.8,0
1,0.2
1.2,0.24
1.5,0.3
1.6,0.32
2,0.4
2.3,0.46
2.5,0.5
2.6,0.52
3,0.6
3.2,0.64
4,0.8
4.5,0.9
5,1
6,1.2
7,1.4
8,1.6
9,1.8
10,2
11,2.2
12,2.4
13,2.6
14,2.8
15,3