[%] polar    GISS_B    LSCE_B    ULAQ_B     LOA_B   MPI_HAM UIO_CTM_B UIO_GCM_B     UMI_B   average

         SO4     54.26     64.20     95.12     72.66     92.57     83.18     69.76     82.91     76.83
          BC      5.77      3.59      0.87      2.73      0.73      1.82      3.18      1.58      2.53