xper,xns,xew,xco
0.100000001 , 71.0391693 , 69.0865173 , 892.650024
0.200000003 , 129.534683 , 180.712112 , 1031.25000
0.300000012 , 180.039749 , 142.186783 , 1031.25000
0.500000000 , 42.7413406 , 22.7760239 , 1031.25000
1.00000000 , 6.96149111 , 3.96457171 , 562.650024
2.00000000 , 1.15164840 , 0.940386415 , 281.325012
3.00000000 , 0.492969215 , 0.418518603 , 187.688004