depth,,ratio
4.6,0.407821229,0.018601427
5.3,0.888268156,0.040515438
8,4.086592178,0.186396496
12.1,9.427486033,0.430003848
15.6,12.93307263,0.58989968
20.1,14.81575419,0.675772023
25,15.67888268,0.715140798
30,16.31391061,0.744105513
35.7,16.78185475,0.76544925
40,17.16048045,0.782719019
45,17.49763687,0.798097303
50,17.82367598,0.812968508
57.7,18.25105028,0.832461784
66,18.74367039,0.854931035
76.6,18.99786034,0.866525075
87.2,19.56972067,0.892608608
96.3,19.91608939,0.908407081
103.9,20.08927374,0.916306317
107,20.1898324,0.92089297
110.4,20.28201117,0.925097403
121.8,20.53340782,0.936564036
136.6,20.78480447,0.948030669
157.4,21.06134078,0.960643966
176,21.32111732,0.972492821
195.7,21.59765363,0.985106117
218.1,21.87418994,0.997719414
,21.92418994,