xper,xns,xew,xco
0.100000001 , 0.173129201 , 0.325181007 , 973.799988
0.200000003 , 6.55506030E-02 , 7.68468603E-02 , 1125.00000
0.300000012 , 6.17028140E-02 , 5.85816093E-02 , 1125.00000
0.500000000 , 2.60912254E-02 , 2.00845245E-02 , 1125.00000
1.00000000 , 3.00555257E-03 , 2.26439419E-03 , 675.000000
2.00000000 , 1.21950894E-03 , 1.47400366E-03 , 337.500000
3.00000000 , 9.29570582E-04 , 1.20542839E-03 , 225.000000