xper,xns,xew,xco
0.100000001 , 0.708972335 , 0.721489251 , 649.200012
0.200000003 , 1.82028282 , 1.89279437 , 750.000000
0.300000012 , 0.761490226 , 1.04035294 , 750.000000
0.500000000 , 0.491844386 , 0.582810998 , 750.000000
1.00000000 , 0.189063847 , 0.221488878 , 399.899994
2.00000000 , 2.43342314E-02 , 5.51833846E-02 , 200.100006
3.00000000 , 9.05330945E-03 , 1.17690852E-02 , 133.199997