15
0.1  6.5
0.3  6.0
0.5  5.6
0.55 5.5
0.67 5.08 
0.93 4.25
1.15 3.52
1.2  3.4
1.38 3.15
1.4 3.0
1.5 2.53
1.7  2.2
1.8  2.0
1.98 1.46
2.0 1.04