SOA
                     b.e13.B1850     f.e13.F2000      difference     rel diff(%)
Sources (Tg/yr)           92.694         103.435         -10.741         -11.588
    condensation          92.694         103.435         -10.741         -11.588
Sinks (Tg/yr)             92.557         103.227         -10.670         -11.528
         dry_dep          15.098          16.365          -1.266          -8.388
         wet_dep          77.459          86.862          -9.403         -12.140
Lifetime (days)            3.643           3.690          -0.047          -1.289
Burden (Tg)                0.924           1.044          -0.120         -12.965
    accumulation           0.916           1.028          -0.112         -12.214
          Aitken           0.008           0.016          -0.008        -100.390