1pctCO2   piControl
    0       3.83      2.29
    1      10.00     82.03
    2       3.23      0.70
    3      12.27     86.35
    4       3.23      0.53
    5      19.78     78.66
    6       2.96      0.52
    7      13.94     84.56
    8       3.20      0.63
    9      15.27     83.24
   10       3.38      0.96
   11      13.03     85.57
   12      83.50     84.71