 Year  Bio_org Bio_opt Ocn_org Ocn_opt  Fossil    Fire Net_org Net_opt (PgC/a)
 2019   -0.44    0.52    6.45    8.77    0.15    0.41    0.12    1.09
 2020   -0.50   -0.46    0.88   -1.47    0.35    0.95    0.79    0.83
 2021   -0.41   -0.49    0.99    0.32    0.36    0.97    0.92    0.84
 2022   -0.49   -0.52    0.99   -2.69    0.36    0.88    0.75    0.72
 2023   -0.01    0.00   -0.16   -0.13    0.00    0.00   -0.00    0.01
