xper,xns,xew,xco
0.100000001 , 0.780161738 , 0.551712632 , 892.650024
0.200000003 , 0.352093756 , 0.349258870 , 1031.25000
0.300000012 , 0.356181681 , 0.347256273 , 1031.25000
0.500000000 , 0.245246246 , 0.231928110 , 1031.25000
1.00000000 , 0.104998231 , 9.30405185E-02 , 562.650024
2.00000000 , 8.18156153E-02 , 9.89861339E-02 , 281.325012
3.00000000 , 6.08069636E-02 , 5.73414080E-02 , 187.688004