1850_265_4xCO2_fix   1850_265
    0       5.00      5.21
    1      20.89     24.23
    2      -1.61      0.82
    3      18.51     33.52
    4      -1.00      2.76
    5      30.10     26.75
    6      -1.40      1.70
    7      26.00     25.31
    8       0.46      1.68
    9      19.13     15.03
   10      -2.46     -0.74
   11      12.28     30.63
   12      14.02     18.70