1850_215_4xCO2   1850_215
    0       2.43      1.43
    1       5.39     39.85
    2       1.37     -0.49
    3      14.02     47.23
    4       0.94     -0.33
    5       8.45     25.91
    6       1.43     -0.48
    7      13.37     45.37
    8       2.06     -0.64
    9      17.78     46.99
   10       1.04     -0.52
   11      12.25     37.79
   12      40.34     43.66