1850_1%CO2_179   1850_179
    0       2.55      2.23
    1      29.84     52.24
    2       1.45     -0.62
    3      36.43     62.22
    4       1.44     -0.80
    5      40.76     56.24
    6       1.24     -0.71
    7      42.07     56.46
    8       1.23     -0.78
    9      45.99     52.41
   10       1.73     -0.36
   11      31.98     66.65
   12      84.95     85.75