xper,xns,xew,xco
0.100000001 , 0.127685055 , 0.313858688 , 973.799988
0.200000003 , 6.95526898E-02 , 9.27126929E-02 , 1125.00000
0.300000012 , 5.78997470E-02 , 6.35397658E-02 , 1125.00000
0.500000000 , 2.71001495E-02 , 2.03249175E-02 , 1125.00000
1.00000000 , 2.34735268E-03 , 3.04045598E-03 , 675.000000
2.00000000 , 1.09940255E-03 , 1.29297969E-03 , 337.500000
3.00000000 , 1.64176966E-03 , 1.11094059E-03 , 225.000000