xper,xns,xew,xco
0.100000001 , 0.316047579 , 0.278792143 , 1082.00000
0.200000003 , 0.360148728 , 0.562715173 , 1250.00000
0.300000012 , 0.236772984 , 0.270117044 , 1250.00000
0.500000000 , 8.83427262E-02 , 9.92811546E-02 , 1000.00000
1.00000000 , 6.39450178E-02 , 6.69637099E-02 , 500.000000
2.00000000 , 3.72895151E-02 , 4.28458452E-02 , 250.000000
3.00000000 , 1.88169684E-02 , 1.11256847E-02 , 144.500000