xper,xns,xew,xco
0.100000001 , 0.161974072 , 0.349734992 , 892.650024
0.200000003 , 5.49999215E-02 , 9.12385583E-02 , 1031.25000
0.300000012 , 5.11343069E-02 , 5.69145381E-02 , 1031.25000
0.500000000 , 2.17468310E-02 , 2.11469959E-02 , 1031.25000
1.00000000 , 1.99671299E-03 , 2.99256411E-03 , 562.650024
2.00000000 , 1.05063047E-03 , 1.61414791E-03 , 281.325012
3.00000000 , 7.81451003E-04 , 1.08852517E-03 , 187.688004