BC
                     f.e13.F2000     f.e13.F2000      difference     rel diff(%)
Sources (Tg/yr)            8.266           8.266          -0.000          -0.000
        emission           8.266           8.266          -0.000          -0.000
Sinks (Tg/yr)              7.974           7.956           0.019           0.236
         dry_dep           2.075           2.049           0.026           1.235
         wet_dep           5.899           5.906          -0.007          -0.115
Lifetime (days)            5.577           5.523           0.054           0.971
Burden (Tg)                0.122           0.120           0.001           1.205
    accumulation           0.093           0.091           0.002           2.170
  primary_carbon           0.028           0.029          -0.001          -1.974