1850_289_halfco2   1850_289
    0       2.98      2.17
    1      21.68     55.81
    2      -1.71      0.31
    3      31.37     60.72
    4      -2.44      0.09
    5      26.83     65.73
    6      -2.20      0.27
    7      28.66     62.51
    8      -1.06      0.25
    9      31.71     50.64
   10      -1.31      0.49
   11      38.30     51.58
   12      85.68     85.03