SST4K_4XCO2   CONTROL
    0       1.64      1.42
    1      10.52     23.76
    2       0.56      0.53
    3       6.39     18.64
    4       0.83      0.62
    5       2.81     19.78
    6       0.59      0.54
    7       2.38      8.84
    8       0.30      0.34
    9       3.19     13.94
   10       0.52      0.60
   11       8.11     13.44
   12      26.72     31.53