xper,xns,xew,xco
0.100000001 , 60.4681473 , 49.6492119 , 649.200012
0.200000003 , 112.930771 , 67.3100967 , 750.000000
0.300000012 , 96.6846237 , 44.3195648 , 750.000000
0.500000000 , 40.2205238 , 15.2676744 , 750.000000
1.00000000 , 10.3602896 , 7.65189362 , 399.899994
2.00000000 , 2.73250127 , 2.13918352 , 200.100006
3.00000000 , 1.09628618 , 0.769140542 , 133.199997