xper,xns,xew,xco
0.100000001 , 0.210794359 , 0.366717160 , 973.799988
0.200000003 , 5.37538528E-02 , 7.79164284E-02 , 1125.00000
0.300000012 , 3.86802554E-02 , 6.28748238E-02 , 1125.00000
0.500000000 , 1.90856867E-02 , 2.18714885E-02 , 1125.00000
1.00000000 , 1.91245275E-03 , 3.85724963E-03 , 675.000000
2.00000000 , 9.09714377E-04 , 1.61822932E-03 , 337.500000
3.00000000 , 7.79301452E-04 , 1.23113871E-03 , 225.000000