xper,xns,xew,xco
0.100000001 , 0.280581683 , 0.801697433 , 892.650024
0.200000003 , 7.77919367E-02 , 0.122485034 , 1031.25000
0.300000012 , 7.88253397E-02 , 7.20688254E-02 , 1031.25000
0.500000000 , 2.90698893E-02 , 2.77208388E-02 , 1031.25000
1.00000000 , 3.17635690E-03 , 3.11137596E-03 , 562.650024
2.00000000 , 1.30935980E-03 , 1.39509572E-03 , 281.325012
3.00000000 , 9.38245561E-04 , 1.06121833E-03 , 187.688004