xper,xns,xew,xco
0.100000001 , 0.451059461 , 0.799139500 , 892.650024
0.200000003 , 0.546444833 , 0.447273195 , 1031.25000
0.300000012 , 0.754993260 , 0.708637774 , 1031.25000
0.500000000 , 1.36971271 , 0.925811589 , 1031.25000
1.00000000 , 0.509787619 , 0.262624681 , 562.650024
2.00000000 , 0.115420192 , 0.114657618 , 281.325012
3.00000000 , 4.97245677E-02 , 7.30229393E-02 , 187.688004