 Year  Bio_org Bio_opt Ocn_org Ocn_opt  Fossil    Fire Net_org Net_opt (PgC/a)
 2019   -0.77   -0.46    6.41    8.40    0.09    0.10   -0.57   -0.26
 2020   -0.21   -0.00    0.54   -1.79    0.20    0.37    0.37    0.57
 2021   -0.14    0.08    0.65    0.25    0.22    0.33    0.42    0.64
 2022   -0.16   -0.06    0.65   -3.00    0.22    0.30    0.36    0.46
 2023    0.01    0.01   -0.17   -0.14    0.00    0.00    0.01    0.02
