xper,xns,xew,xco
0.100000001 , 20.9105473 , 14.6568689 , 892.650024
0.200000003 , 30.2194023 , 22.5175133 , 1031.25000
0.300000012 , 38.4806175 , 20.1822758 , 1031.25000
0.500000000 , 10.9477444 , 3.70835614 , 1031.25000
1.00000000 , 1.73028874 , 0.485100180 , 562.650024
2.00000000 , 0.366494179 , 0.105507217 , 281.325012
3.00000000 , 0.149335921 , 4.57167290E-02 , 187.688004