xper,xns,xew,xco
0.100000001 , 60.4681244 , 49.6492195 , 649.200012
0.200000003 , 112.930740 , 67.3100967 , 750.000000
0.300000012 , 96.6846313 , 44.3195724 , 750.000000
0.500000000 , 40.2204857 , 15.2676601 , 750.000000
1.00000000 , 10.3603220 , 7.65188074 , 399.899994
2.00000000 , 2.73243308 , 2.13911057 , 200.100006
3.00000000 , 1.09628201 , 0.769168139 , 133.199997