BC
                     f.e13.FC5.f     f.e13.FC5.f      difference     rel diff(%)
Sources (Tg/yr)            7.767           7.767           0.000           0.000
        emission           7.767           7.767           0.000           0.000
Sinks (Tg/yr)              7.756           7.731           0.025           0.328
         dry_dep           1.664           1.704          -0.040          -2.387
         wet_dep           6.092           6.027           0.065           1.070
Lifetime (days)            6.655           7.510          -0.855         -12.853
Burden (Tg)                0.141           0.159          -0.018         -12.482
    accumulation           0.103           0.120          -0.017         -16.104
  primary_carbon           0.038           0.039          -0.001          -2.761