xper,xns,xew,xco
0.100000001 , 21.3386593 , 28.5687504 , 892.650024
0.200000003 , 23.7082138 , 65.9939804 , 1031.25000
0.300000012 , 33.1474724 , 37.1976242 , 1031.25000
0.500000000 , 5.79078674 , 6.33148336 , 1031.25000
1.00000000 , 0.848529279 , 1.00330687 , 562.650024
2.00000000 , 0.170081109 , 0.202065542 , 281.325012
3.00000000 , 6.84889928E-02 , 0.109984599 , 187.688004