xper,xns,xew,xco
0.100000001 , 0.780074477 , 0.551355422 , 892.650024
0.200000003 , 0.352181733 , 0.348854989 , 1031.25000
0.300000012 , 0.356067508 , 0.347575933 , 1031.25000
0.500000000 , 0.245069146 , 0.231708661 , 1031.25000
1.00000000 , 0.104832575 , 9.32473987E-02 , 562.650024
2.00000000 , 8.17588642E-02 , 9.93648991E-02 , 281.325012
3.00000000 , 6.05906025E-02 , 5.70384748E-02 , 187.688004