xper,xns,xew,xco
0.100000001 , 0.780161738 , 0.552046537 , 892.650024
0.200000003 , 0.352093756 , 0.349633068 , 1031.25000
0.300000012 , 0.356181681 , 0.346954912 , 1031.25000
0.500000000 , 0.245246246 , 0.232092828 , 1031.25000
1.00000000 , 0.104998231 , 9.28869098E-02 , 562.650024
2.00000000 , 8.18156153E-02 , 9.86311138E-02 , 281.325012
3.00000000 , 6.08069636E-02 , 5.75785451E-02 , 187.688004