Year	current US$
1975	5208850000
1976	6368860000
1977	6667000000
1978	10159000000
1979	18077390000
1980	27156300000
1981	23686730000
1982	16468200000
1983	28169400000
1984	25308240000
1985	38991270000
1986	57184660000
1987	93254500000
1988	68777140000
1989	89380290000
1990	68125140000
1991	73335290000
1992	75705320000
1993	133358660000
1994	156142060000
1995	183405600000
1996	264981700000
1997	337957940000
1998	356701110000
1999	392672780000
2000	628487350000
2001	445950640000
2002	448461700000
2003	506548290000
2004	706494160000
2005	932109740000
2006	1237142820000
2007	1744996560000
2008	1502829750000
2009	1332847390000
2010	1404844510000
2011	1473875430000
2012	1347972580000
2013	1323581430000
2014	1343788840000
2015	1096074730000
2016	1153366674108.8
2017	1280149390000
2018	1373654880000
2019	1432565050000
2020	1954060880000
2021	2189944900000
2022	2249248630000