Year	current US$
1989	36516357206.012375
1990	35794542536.11557
1991	18925925925.925926
1992	8104116222.76029
1993	39465753424.65753
1994	30984086939.646805
1995	25861114187.617676
1996	34025284844.701107
1997	35816767502.16076
1998	24729520865.53323
1999	19654752233.95613
2000	27557767507.998577
2001	33177922523.14021
2002	39848210229.66507
2003	51755577013.89856
2004	75266359937.5217
2005	109321574383.54272
2006	144895875974.65305
2007	186195648693.38757
2008	245209091048.8223
2009	156768703639.0705
2010	206417321044.26663
2011	279025066076.25305
2012	297270035163.29254
2013	290994857572.6516
2014	268176833534.7193
2015	138942876832.30316
2016	127340715603.79305
2017	153330996178.9459
2018	176051339282.75797
2019	171787888758.6573
2020	147868409165.71173
2021	189082039689.4682
2022	211276412927.38483
2023	184425867046.25378