xper,xns,xew,xco
0.100000001 , 0.501291215 , 0.533607900 , 973.799988
0.200000003 , 0.483805805 , 0.390221775 , 1125.00000
0.300000012 , 0.206817493 , 0.165946320 , 1125.00000
0.500000000 , 5.29834740E-02 , 4.50549088E-02 , 1125.00000
1.00000000 , 7.65884481E-03 , 1.56085901E-02 , 675.000000
2.00000000 , 2.72158952E-03 , 7.44220009E-03 , 337.500000
3.00000000 , 2.05138861E-03 , 4.68496233E-03 , 225.000000