xper,xns,xew,xco
0.100000001 , 1.06330240 , 0.563383579 , 892.650024
0.200000003 , 1.13701963 , 1.20194817 , 1031.25000
0.300000012 , 0.640248954 , 0.883284509 , 1031.25000
0.500000000 , 0.322010338 , 0.292201787 , 1031.25000
1.00000000 , 0.114907213 , 0.117348120 , 562.650024
2.00000000 , 2.93071438E-02 , 3.11518591E-02 , 281.325012
3.00000000 , 2.66104937E-02 , 2.56813001E-02 , 187.688004