xper,xns,xew,xco
0.100000001 , 0.791991472 , 0.822144866 , 892.650024
0.200000003 , 1.25656390 , 1.50010669 , 1031.25000
0.300000012 , 1.78118384 , 1.80640173 , 1031.25000
0.500000000 , 2.02145648 , 3.84986854 , 1031.25000
1.00000000 , 1.12292910 , 0.898504436 , 562.650024
2.00000000 , 0.495696187 , 0.654594898 , 281.325012
3.00000000 , 0.166456342 , 0.317220628 , 187.688004