1850_215_4xCO2   1850_215
    0       2.07      0.79
    1       3.45     46.36
    2       1.58     -0.09
    3      12.44     53.76
    4       1.37     -0.10
    5      10.98     50.08
    6       1.36     -0.22
    7      16.44     48.84
    8       1.85     -0.07
    9      13.08     52.94
   10       1.72      0.00
   11      11.01     51.73
   12      10.31      9.35