BC
                     f.e13.F2000     f.e13.F2000      difference     rel diff(%)
Sources (Tg/yr)            7.794           7.794          -0.000          -0.000
        emission           7.794           7.794          -0.000          -0.000
Sinks (Tg/yr)              7.732           7.721           0.012           0.154
         dry_dep           2.153           2.160          -0.007          -0.344
         wet_dep           5.580           5.561           0.019           0.346
Lifetime (days)            5.534           5.600          -0.066          -1.198
Burden (Tg)                0.117           0.118          -0.001          -1.042
    accumulation           0.072           0.072          -0.000          -0.058
  primary_carbon           0.045           0.046          -0.001          -2.630