xper,xns,xew,xco
0.100000001 , 0.444380909 , 0.766018450 , 973.799988
0.200000003 , 6.40181452E-02 , 0.127129167 , 1125.00000
0.300000012 , 6.30119145E-02 , 8.12467858E-02 , 1125.00000
0.500000000 , 1.83027517E-02 , 2.28245202E-02 , 1125.00000
1.00000000 , 2.21740897E-03 , 2.79505737E-03 , 675.000000
2.00000000 , 9.91033041E-04 , 1.51279022E-03 , 337.500000
3.00000000 , 1.14438869E-03 , 1.03570113E-03 , 225.000000