xper,xns,xew,xco
0.100000001 , 24.5136147 , 18.5631752 , 1083.50000
0.200000003 , 51.0323792 , 26.2922478 , 1250.00000
0.300000012 , 25.5795345 , 17.0508289 , 1250.00000
0.500000000 , 7.10534430 , 6.01689148 , 1250.00000
1.00000000 , 2.49004936 , 1.20758438 , 700.000000
2.00000000 , 0.494850785 , 0.215613276 , 350.000000
3.00000000 , 0.224854931 , 9.59689096E-02 , 233.500000