xper,xns,xew,xco
0.100000001 , 20.9113636 , 14.6571960 , 892.650024
0.200000003 , 30.2191830 , 22.5173321 , 1031.25000
0.300000012 , 38.4799004 , 20.1821632 , 1031.25000
0.500000000 , 10.9472075 , 3.70822048 , 1031.25000
1.00000000 , 1.73075724 , 0.484960496 , 562.650024
2.00000000 , 0.366872728 , 0.105443433 , 281.325012
3.00000000 , 0.149806917 , 4.55457717E-02 , 187.688004