Year	current US$
1970	103000000
1971	133000000
1972	108000000
1973	104000000
1974	118000000
1975	130000000
1976	136000000
1977	193000000
1978	182000000
1979	325000000
1980	335000000
1981	349000000
1982	391000000
1983	506000000
1984	517000000
1985	1034000000
1986	666000000
1987	633000000
1988	556000000
1989	559000000
1990	718000000
1991	1006000000
1992	869000000
1993	1181000000
1994	1767000000
1995	1047000000
1996	831000000
1997	637000000
1998	667460006.9094446
1999	1109929997.2522998
2000	1071060007.1623919
2001	1086230003.8132808
2002	1936839978.1491613
2003	5390319904.668264
2004	6064999940.5480995
2005	15379030055.195097
2006	10230799790.192396
2007	8198550137.175257
2008	9407750045.936562
2009	10690449996.942661
2010	10079710065.219551
2011	10735470038.328327
2012	8985330068.632967
2013	9381629913.270473
2014	8600180020.153526
2015	8552489863.120027
2016	8751760022.226728
2017	9166670081.127438
2018	9039210082.154722
2019	9306199922.278524
2020	10291040036.596365
2021	12347229938.415815
2022	20470479821.676395