1850_297_4xCO2   1850_297
    0       2.19      0.83
    1       3.45     45.84
    2       1.61     -0.07
    3      10.31     52.99
    4       1.41     -0.08
    5       8.37     50.67
    6       1.43     -0.19
    7      14.06     48.19
    8       1.86     -0.05
    9      12.13     51.18
   10       1.72      0.03
   11       9.34     50.90
   12       8.64      9.07