xper,xns,xew,xco
0.100000001 , 23.6523361 , 18.5623932 , 1083.50000
0.200000003 , 51.3606110 , 26.2926197 , 1250.00000
0.300000012 , 25.1835136 , 17.0510826 , 1250.00000
0.500000000 , 7.13939095 , 6.01667070 , 1250.00000
1.00000000 , 2.48291063 , 1.20774996 , 700.000000
2.00000000 , 0.493679285 , 0.214476243 , 350.000000
3.00000000 , 0.222753286 , 9.53905061E-02 , 233.500000