Year	current US$
1989	8749310536.691978
1990	10010586953.45319
1991	10834418613.352922
1992	11311082757.241688
1993	12243858363.881565
1994	14181809312.381226
1995	16460767332.226892
1996	18902609545.819424
1997	18993659783.74703
1998	16933424945.605524
1999	18442319038.408203
2000	19467553346.35259
2001	17533713385.305737
2002	19060025688.064396
2003	23145253087.271534
2004	27261404024.234364
2005	29956607671.38759
2006	34779315936.50261
2007	43102366579.73226
2008	48084985537.90523
2009	44051011750.06515
2010	51321773866.93361
2011	57186425471.875885
2012	57697280505.29261
2013	57135505151.018425
2014	58169097591.19178
2015	54216352046.72902
2016	57271634039.899895
2017	64333291236.36796
2018	68578762961.14654
2019	70026749173.65503
2020	49293272407.02086
2021	44375779724.09939
2022	51434892351.31711
2023	74688981220.73343