xper,xns,xew,xco
0.100000001 , 2.06152582 , 2.42745352 , 1083.50000
0.200000003 , 3.11000824 , 3.85092163 , 1250.00000
0.300000012 , 2.07143879 , 1.86307299 , 1250.00000
0.500000000 , 0.772234559 , 0.874419093 , 1250.00000
1.00000000 , 0.193913400 , 0.202322334 , 700.000000
2.00000000 , 4.06560749E-02 , 3.95574085E-02 , 350.000000
3.00000000 , 1.80868898E-02 , 1.80003308E-02 , 233.500000