Year	current US$
1975	1122372860000
1976	1310397160000
1977	1332299280000
1978	1486020400000
1979	1903812040000
1980	2459844050000
1981	2243192700000
1982	2592093830000
1983	3225801480000
1984	3203822320000
1985	4591811450000
1986	6321101240000
1987	7580050290000
1988	9269836700000
1989	11053979970000
1990	9162049230000
1991	10774000010000
1992	10189443870000
1993	12721792170000
1994	13481559320000
1995	16046802440000
1996	18315398150000
1997	20739136610000
1998	23475545830000
1999	31580396040000
2000	29239573130000
2001	25308435870000
2002	21361230560000
2003	28365913950000
2004	33055430150000
2005	36205846480000
2006	43546293340000
2007	47678626520000
2008	26428854310000
2009	35726993090000
2010	39868765200000
2011	35535113760000
2012	41230554470000
2013	50554624080000
2014	51555189190000
2015	45621765060000
2016	48473413776339.22
2017	59055079565533.97
2018	52193646754500.47
2019	56733466370000
2020	67131873940000
2021	78498194790000
2022	64847964120000