xper,xns,xew,xco
0.100000001 , 0.696786582 , 0.809505463 , 1083.50000
0.200000003 , 0.606107652 , 0.620988786 , 1250.00000
0.300000012 , 0.467061162 , 0.566733539 , 1250.00000
0.500000000 , 8.99635553E-02 , 7.36289993E-02 , 1250.00000
1.00000000 , 2.36311723E-02 , 1.45285884E-02 , 700.000000
2.00000000 , 8.40622839E-03 , 1.56089542E-02 , 350.000000
3.00000000 , 9.82406549E-03 , 5.74190682E-03 , 233.500000