xper,xns,xew,xco
0.100000001 , 2.25159931 , 1.47379768 , 1083.50000
0.200000003 , 4.78926563 , 3.51162696 , 1250.00000
0.300000012 , 5.34085989 , 4.68770075 , 1250.00000
0.500000000 , 3.51871514 , 2.51572108 , 1250.00000
1.00000000 , 0.435138673 , 0.467851162 , 700.000000
2.00000000 , 0.171811506 , 9.12296623E-02 , 350.000000
3.00000000 , 9.03867260E-02 , 3.70707549E-02 , 233.500000