xper,xns,xew,xco
0.100000001 , 0.325408041 , 0.454656005 , 892.650024
0.200000003 , 0.548660398 , 0.483287215 , 1031.25000
0.300000012 , 0.816318750 , 0.993170023 , 1031.25000
0.500000000 , 1.09459710 , 1.01851809 , 1031.25000
1.00000000 , 0.480074286 , 0.390995324 , 562.650024
2.00000000 , 0.130033836 , 0.115509532 , 281.325012
3.00000000 , 4.53459546E-02 , 6.01999387E-02 , 187.688004