xper,xns,xew,xco
0.100000001 , 0.318087995 , 0.223863736 , 973.799988
0.200000003 , 0.122632071 , 0.115811825 , 1125.00000
0.300000012 , 0.109978922 , 9.60434601E-02 , 1125.00000
0.500000000 , 3.74510624E-02 , 4.80291918E-02 , 1125.00000
1.00000000 , 5.94055839E-02 , 4.87386100E-02 , 675.000000
2.00000000 , 9.42378677E-03 , 7.13882549E-03 , 337.500000
3.00000000 , 3.26187164E-03 , 2.55572423E-03 , 225.000000