xper,xns,xew,xco
0.100000001 , 2.51165247 , 3.15559435 , 1083.50000
0.200000003 , 0.134959728 , 0.150299326 , 1250.00000
0.300000012 , 5.41321039E-02 , 5.39913625E-02 , 1250.00000
0.500000000 , 1.83213055E-02 , 2.02072877E-02 , 1250.00000
1.00000000 , 5.85207064E-03 , 5.42143779E-03 , 700.000000
2.00000000 , 1.95959164E-03 , 2.10117293E-03 , 350.000000
3.00000000 , 1.34090683E-03 , 1.41045789E-03 , 233.500000