xper,xns,xew,xco
0.100000001 , 7.62735531E-02 , 0.122558117 , 973.799988
0.200000003 , 2.99121309E-02 , 4.22387049E-02 , 1125.00000
0.300000012 , 1.89191662E-02 , 2.70496495E-02 , 1125.00000
0.500000000 , 8.02788883E-03 , 1.05947964E-02 , 1125.00000
1.00000000 , 1.55116466E-03 , 1.68013759E-03 , 675.000000
2.00000000 , 9.73697519E-04 , 1.07243576E-03 , 337.500000
3.00000000 , 1.03171321E-03 , 9.50959453E-04 , 225.000000