0	4,1
0.5	4.1
1.0	4.1
1.5	4.4
2.0	4.5
2.5	4.5
3.0	4.4
3.5	4.5
4.0	4.5
4.5	4.6
5.0	4.6
5.5	4.8
6.0	4.9
6.5	5.0
7.0	5.0