xper,xns,xew,xco
0.100000001 , 2.06155324 , 2.42754936 , 1083.50000
0.200000003 , 3.11002970 , 3.85098195 , 1250.00000
0.300000012 , 2.07146764 , 1.86312521 , 1250.00000
0.500000000 , 0.772254467 , 0.874348700 , 1250.00000
1.00000000 , 0.193933338 , 0.202261925 , 700.000000
2.00000000 , 4.06258442E-02 , 3.95352356E-02 , 350.000000
3.00000000 , 1.81086827E-02 , 1.79646052E-02 , 233.500000