xper,xns,xew,xco
0.100000001 , 0.371618271 , 0.272489607 , 892.650024
0.200000003 , 0.553882778 , 0.502583623 , 1031.25000
0.300000012 , 0.296032816 , 0.373256385 , 1031.25000
0.500000000 , 0.279855996 , 0.301467687 , 1031.25000
1.00000000 , 0.123312846 , 0.169883758 , 562.650024
2.00000000 , 4.54337113E-02 , 4.34157550E-02 , 281.325012
3.00000000 , 1.49673577E-02 , 1.62618253E-02 , 187.688004