xper,xns,xew,xco
0.100000001 , 0.316521883 , 0.507852614 , 892.650024
0.200000003 , 0.400657773 , 0.492772639 , 1031.25000
0.300000012 , 0.453217566 , 0.731359303 , 1031.25000
0.500000000 , 0.989932537 , 1.06254518 , 1031.25000
1.00000000 , 0.414401382 , 0.589446664 , 562.650024
2.00000000 , 0.157909691 , 0.143730044 , 281.325012
3.00000000 , 7.50347003E-02 , 7.33018890E-02 , 187.688004