xper,xns,xew,xco
0.100000001 , 0.523346126 , 0.315945894 , 892.650024
0.200000003 , 0.542906642 , 0.314979732 , 1031.25000
0.300000012 , 0.590723693 , 0.555225611 , 1031.25000
0.500000000 , 0.924807847 , 0.706071734 , 1031.25000
1.00000000 , 0.687967062 , 0.703656673 , 562.650024
2.00000000 , 0.384885430 , 0.200122818 , 281.325012
3.00000000 , 0.177842692 , 8.54045376E-02 , 187.688004