Year	current US$
1989	554798390.7770151
1990	657643198.7721051
1991	763509015.6580129
1992	973009275.2032423
1993	1217360413.568339
1994	1171237701.676788
1995	1735602786.8418732
1996	2113413723.430737
1997	1844685433.6526117
1998	1369501231.4755838
1999	983505776.2527308
2000	783642572.3753933
2001	808226606.4564668
2002	1242283987.1595252
2003	987246345.5331615
2004	1061679785.2124091
2005	1083408345.4848814
2006	1197218510.7867985
2007	1590336951.3145096
2008	1967305194.0949795
2009	1884269498.3874948
2010	3247503316.8097897
2011	4820683147.403675
2012	6263769769.848275
2013	7163717684.14423
2014	4692038136.128299
2015	4557385896.250739
2016	3946802070.732408
2017	4221179803.474713
2018	5571467449.12037
2019	5209597652.576309
2020	4872893586.518258
2021	4380191128.636776
2022	4312351155.51185
2023	4472402984.185603