xper,xns,xew,xco
0.100000001 , 2.06158018 , 2.42752719 , 1083.50000
0.200000003 , 3.11000276 , 3.85095906 , 1250.00000
0.300000012 , 2.07149506 , 1.86310220 , 1250.00000
0.500000000 , 0.772226870 , 0.874371290 , 1250.00000
1.00000000 , 0.193905443 , 0.202231407 , 700.000000
2.00000000 , 4.05987464E-02 , 3.95579934E-02 , 350.000000
3.00000000 , 1.80814043E-02 , 1.79869384E-02 , 233.500000