xper,xns,xew,xco
0.100000001 , 0.419583529 , 0.641378880 , 1190.19995
0.200000003 , 0.898534954 , 1.61982822 , 1375.00000
0.300000012 , 1.19748271 , 1.10096908 , 1375.00000
0.500000000 , 0.662883341 , 0.713259161 , 1375.00000
1.00000000 , 0.391408533 , 0.406927586 , 800.250000
2.00000000 , 0.123705961 , 0.152274564 , 399.850006
3.00000000 , 5.07055633E-02 , 3.12301740E-02 , 266.750000