Year	current US$
1975	10495060000
1976	10564960000
1977	13172000000
1978	18804000000
1979	14821250000
1980	14148550000
1981	13701440000
1982	14795290000
1983	30886260000
1984	26907560000
1985	85608420000
1986	151830690000
1987	424407210000
1988	345321000000
1989	348053300000
1990	542481790000.00006
1991	437577310000
1992	430083960000
1993	529576730000
1994	603703230000
1995	580134700000
1996	149809670000
1997	988221460000
1998	1468731990000
1999	1308493540000
2000	1827236880000
2001	1301049770000
2002	871757290000
2003	1017280520000
2004	1181299170000
2005	1288068410000
2006	1950838200000
2007	3254836700000
2008	4189639200000
2009	1787794400000
2010	1494656830000
2011	1573604310000
2012	1249945420000
2013	1312611820000
2014	1269066800000
2015	1444613090000
2016	1124111807137.43
2017	1558599058819.02
2018	1629641870000
2019	1362905830000
2020	1835769070000
2021	1526211440000
2022	1292671760000