xper,xns,xew,xco
0.100000001 , 1.67873371 , 1.02802384 , 892.650024
0.200000003 , 0.597597778 , 0.698423028 , 1031.25000
0.300000012 , 0.516777217 , 0.733840704 , 1031.25000
0.500000000 , 0.465923935 , 0.497858882 , 1031.25000
1.00000000 , 0.394103974 , 0.433572829 , 562.650024
2.00000000 , 0.196135119 , 0.165727794 , 281.325012
3.00000000 , 5.99229895E-02 , 7.89860711E-02 , 187.688004