xper,xns,xew,xco
0.100000001 , 0.523613334 , 0.315890282 , 892.650024
0.200000003 , 0.543188989 , 0.315031618 , 1031.25000
0.300000012 , 0.590592384 , 0.555163443 , 1031.25000
0.500000000 , 0.924671113 , 0.706016898 , 1031.25000
1.00000000 , 0.687896669 , 0.703717649 , 562.650024
2.00000000 , 0.384806961 , 0.200076014 , 281.325012
3.00000000 , 0.177689835 , 8.53798538E-02 , 187.688004