xper,xns,xew,xco
0.100000001 , 0.746508002 , 0.685224235 , 1083.50000
0.200000003 , 0.177653208 , 0.164471656 , 1250.00000
0.300000012 , 0.135408223 , 9.00820196E-02 , 1250.00000
0.500000000 , 5.29401898E-02 , 3.83413099E-02 , 1250.00000
1.00000000 , 2.85356883E-02 , 1.29911797E-02 , 700.000000
2.00000000 , 1.16524994E-02 , 8.36828724E-03 , 350.000000
3.00000000 , 7.95569830E-03 , 4.55670012E-03 , 233.500000