0	4.5
0.5	4
1.0	4
1.5	4.2
2.0	4.5
2.5	4.5
3.0	4.5
3.5	4.5
4.0	4.5
4.5	4.6
5.0	4.8
5.5	5.0
6.0	5.0
6.5	5.1
7.0	5.2