xper,xns,xew,xco
0.100000001 , 1.28983021 , 1.31676984 , 1083.50000
0.200000003 , 0.110708036 , 8.62135962E-02 , 1250.00000
0.300000012 , 4.47749309E-02 , 3.72038819E-02 , 1250.00000
0.500000000 , 1.92118529E-02 , 1.57745499E-02 , 1250.00000
1.00000000 , 8.84833094E-03 , 6.33430621E-03 , 700.000000
2.00000000 , 3.77911399E-03 , 3.07793426E-03 , 350.000000
3.00000000 , 2.40263948E-03 , 2.15263478E-03 , 233.500000