xper,xns,xew,xco
0.100000001 , 0.489807814 , 0.331946254 , 892.650024
0.200000003 , 6.90191239E-02 , 9.03850943E-02 , 1031.25000
0.300000012 , 4.88718934E-02 , 5.41833304E-02 , 1031.25000
0.500000000 , 3.41585353E-02 , 3.19664143E-02 , 1031.25000
1.00000000 , 2.90334281E-02 , 3.94284800E-02 , 562.650024
2.00000000 , 2.51885932E-02 , 2.38646418E-02 , 281.325012
3.00000000 , 2.32526045E-02 , 2.56705098E-02 , 187.688004