 Year  Bio_org Bio_opt Ocn_org Ocn_opt  Fossil    Fire Net_org Net_opt (PgC/a)
 2019   -0.28   -0.19    0.46    1.47    0.33    0.18    0.24    0.33
 2020   -0.22   -0.19   -5.58   -5.39    0.80    0.12    0.69    0.72
 2021   -0.40   -0.36   -4.99   -5.36    0.83    0.10    0.53    0.58
 2022   -0.56   -0.61   -5.31   -6.22    0.87    0.06    0.36    0.31
 2023   -0.01   -0.01   -0.10   -0.13    0.01    0.00   -0.00   -0.01
