Year	current US$
1971	303000000
1972	295000000
1973	373000000
1974	518000000
1975	516000000
1976	453000000
1977	527000000
1978	691000000
1979	909000000
1980	1045000000
1981	1014000000
1982	748000000
1983	726000000
1984	774000000
1985	524000000
1986	424000000
1987	515000000
1988	480000000
1989	450000000
1990	787000000
1991	819000000
1992	946000000
1993	914000000
1994	1173000000
1995	1814000000
1996	1927000000
1997	1872000000
1998	1803000000
1999	1584000000
2000	1747000000
2001	1777000000
2002	1795000000
2003	2203000000
2004	2962000000
2005	5405694499.9529505
2006	6933738231.594968
2007	8886869468.53254
2008	11940625805.00095
2009	10379280475.901587
2010	8259625114.608535
2011	9656449508.544994
2012	9386238649.780209
2013	11612260200.663782
2014	12492901351.680765
2015	11358346838.084259
2016	12051149249.61879
2017	15287952957.918442
2018	18179902463.35244
2019	20510366296.02566
2020	16298260570.538778
2021	21725714574.499386
2022	24985337261.5514
2023	29077235179.04506