xper,xns,xew,xco
0.100000001 , 0.173680440 , 0.271617323 , 892.650024
0.200000003 , 5.27238101E-02 , 7.66424611E-02 , 1031.25000
0.300000012 , 4.51654568E-02 , 5.66114597E-02 , 1031.25000
0.500000000 , 1.51026445E-02 , 1.81484222E-02 , 1031.25000
1.00000000 , 1.73061364E-03 , 1.64879102E-03 , 562.650024
2.00000000 , 9.73052811E-04 , 1.53980602E-03 , 281.325012
3.00000000 , 1.01654709E-03 , 9.25303728E-04 , 187.688004