0.06 = 2.0
0.08 = 2.25
0.10 = 2.5
0.13 = 2.75
0.15 = 3.0
0.20 = 3.25
0.23 = 3.5
0.25 = 3.75
0.30 = 4.0
0.35 = 4.42
0.40 = 4.5
0.50 = 4.75
0.63 = 5.0
0.75 = 5.25
1.00 = 5.5
1.25 = 6.0
1.6  = 7.0
2.25 = 8.0