BC
                     f.e13.F2000     f.e13.F2000      difference     rel diff(%)
Sources (Tg/yr)            2.901           7.794          -4.893        -168.675
        emission           2.901           7.794          -4.893        -168.675
Sinks (Tg/yr)              2.921           7.732          -4.811        -164.687
         dry_dep           0.899           2.153          -1.254        -139.509
         wet_dep           2.023           5.580          -3.557        -175.875
Lifetime (days)            6.715           5.534           1.181          17.590
Burden (Tg)                0.054           0.117          -0.063        -118.128
    accumulation           0.026           0.072          -0.046        -174.970
  primary_carbon           0.027           0.045          -0.018         -63.726