 Year  Bio_org Bio_opt Ocn_org Ocn_opt  Fossil    Fire Net_org Net_opt (PgC/a)
 2019   -0.00   -0.00 -157.63 -123.12    0.00    0.00   -0.16   -0.12
 2020   -0.00   -0.00 -640.85 -595.74    0.00    0.00   -0.64   -0.60
 2021   -0.00   -0.00 -560.41 -536.38    0.00    0.00   -0.56   -0.54
 2022   -0.01   -0.00 -560.41 -544.67    0.00    0.00   -0.56   -0.55
 2023   -0.00   -0.00   -7.72   -7.43    0.00    0.00   -0.01   -0.01
