xper,xns,xew,xco
0.100000001 , 0.280579299 , 0.801705241 , 892.650024
0.200000003 , 7.77915567E-02 , 0.122495800 , 1031.25000
0.300000012 , 7.88292959E-02 , 7.20724240E-02 , 1031.25000
0.500000000 , 2.90658269E-02 , 2.77596209E-02 , 1031.25000
1.00000000 , 3.18234926E-03 , 3.11024114E-03 , 562.650024
2.00000000 , 1.30315602E-03 , 1.42040988E-03 , 281.325012
3.00000000 , 9.30736831E-04 , 1.04834069E-03 , 187.688004