xper,xns,xew,xco
0.100000001 , 0.779956043 , 0.551590383 , 892.650024
0.200000003 , 0.352300733 , 0.349120349 , 1031.25000
0.300000012 , 0.355940759 , 0.347365350 , 1031.25000
0.500000000 , 0.245135993 , 0.231849387 , 1031.25000
1.00000000 , 0.104901791 , 9.31146890E-02 , 562.650024
2.00000000 , 8.16823244E-02 , 9.91162285E-02 , 281.325012
3.00000000 , 6.06495813E-02 , 5.72342835E-02 , 187.688004