xper,xns,xew,xco
0.100000001 , 2.25251126 , 1.47390747 , 1083.50000
0.200000003 , 4.78877974 , 3.51152992 , 1250.00000
0.300000012 , 5.34027767 , 4.68780327 , 1250.00000
0.500000000 , 3.51925540 , 2.51581359 , 1250.00000
1.00000000 , 0.434148759 , 0.467802972 , 700.000000
2.00000000 , 0.171207368 , 9.12600979E-02 , 350.000000
3.00000000 , 9.09087062E-02 , 3.69643904E-02 , 233.500000