Year	current US$
1979	177000000
1980	1039000000
1981	1220000000
1982	1226000000
1983	1391000000
1984	1561000000
1985	1616000000
1986	1771000000
1987	1985000000
1988	2439000000
1989	2793000000
1990	3098000000
1991	3030000000
1992	3700000000
1993	3979000000
1994	4121819824
1995	4368120000
1996	4949000000
1997	5545800000
1998	6501246000
1999	6648625182
2000	7524742980
2001	10146263000
2002	11029448100
2003	16653686411
2004	19861747959
2005	22741840918
2006	26542811527
2007	27516981140
2008	27081720166
2009	22893127980
2010	22767716708
2011	24190034859
2012	24056599208
2013	23976098088
2014	25556643773
2015	26824907167
2016	29328819630
2017	32922876924
2018	36526305945
2019	39833517538
2020	43977653965
2021	55067029560
2022	61457717975
2023	66238949308