xper,xns,xew,xco
0.100000001 , 0.112752520 , 8.55622366E-02 , 892.650024
0.200000003 , 4.93393689E-02 , 4.90670800E-02 , 1031.25000
0.300000012 , 3.93032245E-02 , 3.36201638E-02 , 1031.25000
0.500000000 , 5.64653240E-03 , 5.51796285E-03 , 1031.25000
1.00000000 , 2.57863197E-03 , 2.72278674E-03 , 562.650024
2.00000000 , 1.92741107E-03 , 2.01825472E-03 , 281.325012
3.00000000 , 2.13086698E-03 , 1.82692532E-03 , 187.688004