xper,xns,xew,xco
0.100000001 , 0.232935339 , 0.448623151 , 973.799988
0.200000003 , 6.34688362E-02 , 8.16916823E-02 , 1125.00000
0.300000012 , 4.76703458E-02 , 6.86271042E-02 , 1125.00000
0.500000000 , 1.93023272E-02 , 2.05345154E-02 , 1125.00000
1.00000000 , 3.36103351E-03 , 2.74918252E-03 , 675.000000
2.00000000 , 1.11635507E-03 , 1.86230009E-03 , 337.500000
3.00000000 , 1.19980040E-03 , 1.13224797E-03 , 225.000000