xper,xns,xew,xco
0.100000001 , 0.488487720 , 0.536375463 , 1190.19995
0.200000003 , 0.652056575 , 1.23143911 , 1375.00000
0.300000012 , 1.94401503 , 1.92044723 , 1375.00000
0.500000000 , 0.465649635 , 0.560584009 , 1375.00000
1.00000000 , 4.88322154E-02 , 5.74448965E-02 , 800.250000
2.00000000 , 1.18018752E-02 , 1.26073072E-02 , 399.850006
3.00000000 , 5.56025375E-03 , 5.66237234E-03 , 266.750000