1850_125_4XCO2   1850_125
    0       5.41      2.21
    1       8.02     86.83
    2       4.93     -0.19
    3       8.79     89.90
    4       5.43     -0.01
    5      15.37     83.31
    6       4.62     -0.50
    7      11.49     87.07
    8       4.56     -0.44
    9      11.17     87.52
   10       4.96      0.04
   11       9.29     89.40
   12      82.02     85.16