Year	current US$
1985	628000000
1986	572000000
1987	403000000
1988	1111000000
1989	1142000000
1990	1287900000
1991	1736900000
1992	1853546000
1993	1402000000
1994	1425400000
1995	1664979000
1996	1738317000
1997	2045640000
1998	2395110000
1999	2193480000
2000	2270640000
2001	3175780000
2002	2765907583.91
2003	2774308958
2004	4284520155.7
2005	6191176740.86326
2006	6860023952.396
2007	11997403773.13
2008	20451514006.59
2009	18210381473.38
2010	16027654938.470001
2011	22415039241.91532
2012	21176642728.704384
2013	21485147958.349
2014	24259915672.258175
2015	16580693671.0852
2016	12122972127.755821
2017	12903387636.238768
2018	9771706536.883766
2019	8007890650.34939
2020	5437222473.615153
2021	6769480108.152635
2022	11023274153.191484
2023	8296944621.198643