xper,xns,xew,xco
0.100000001 , 0.696737170 , 0.809503257 , 1083.50000
0.200000003 , 0.606059909 , 0.620990634 , 1250.00000
0.300000012 , 0.467124492 , 0.566735625 , 1250.00000
0.500000000 , 9.00261998E-02 , 7.36266896E-02 , 1250.00000
1.00000000 , 2.35968716E-02 , 1.45263327E-02 , 700.000000
2.00000000 , 8.46273545E-03 , 1.56091806E-02 , 350.000000
3.00000000 , 9.83319525E-03 , 5.74219227E-03 , 233.500000