4.2,NaN,0.02,NaN
6,NaN,0.3,NaN
8,NaN,0.2,NaN
10,NaN,0.2,NaN
13.5,12.118,0.2,0.79233
18,13.392,0.2,1.0636
20.5,15.018,0.2,1.6318
23,16.522,0.1,1.1367
28,22.854,0.2,1.1923
31,24.396,0.1,1.3052
