xper,xns,xew,xco
0.100000001 , 0.308362573 , 0.554373026 , 892.650024
0.200000003 , 0.306597799 , 0.322260082 , 1031.25000
0.300000012 , 0.298714876 , 0.334037095 , 1031.25000
0.500000000 , 0.321224302 , 0.312615722 , 1031.25000
1.00000000 , 0.104906663 , 0.137408957 , 562.650024
2.00000000 , 1.76861845E-02 , 1.56969037E-02 , 281.325012
3.00000000 , 7.02140667E-03 , 8.39016400E-03 , 187.688004