xper,xns,xew,xco
0.100000001 , 0.363969505 , 0.690899372 , 973.799988
0.200000003 , 0.399030566 , 0.294177800 , 1125.00000
0.300000012 , 0.693622887 , 0.450230092 , 1125.00000
0.500000000 , 0.991499782 , 0.562359810 , 1125.00000
1.00000000 , 0.257550776 , 0.315389931 , 675.000000
2.00000000 , 5.61623052E-02 , 5.25293723E-02 , 337.500000
3.00000000 , 2.85234060E-02 , 2.22538225E-02 , 225.000000