xper,xns,xew,xco
0.100000001 , 71.0269623 , 69.0905533 , 892.650024
0.200000003 , 129.540451 , 180.716736 , 1031.25000
0.300000012 , 180.044647 , 142.188538 , 1031.25000
0.500000000 , 42.7466736 , 22.7744808 , 1031.25000
1.00000000 , 6.95554304 , 3.96307182 , 562.650024
2.00000000 , 1.15741527 , 0.938621938 , 281.325012
3.00000000 , 0.498840183 , 0.417052954 , 187.688004