xper,xns,xew,xco
0.100000001 , 0.218625188 , 0.284703106 , 1083.50000
0.200000003 , 5.76437674E-02 , 5.09540886E-02 , 1250.00000
0.300000012 , 3.88723500E-02 , 2.84798928E-02 , 1250.00000
0.500000000 , 3.49581912E-02 , 3.04127168E-02 , 1250.00000
1.00000000 , 2.31151804E-02 , 1.93247069E-02 , 700.000000
2.00000000 , 1.52927684E-02 , 1.23599460E-02 , 350.000000
3.00000000 , 1.05406465E-02 , 9.39995609E-03 , 233.500000