Year	current US$
1975	296085530000
1976	365033270000
1977	358722110000
1978	538493390000
1979	597482350000
1980	785842810000
1981	866028440000
1982	782964550000
1983	1350549810000
1984	1713499890000
1985	2436871210000
1986	4005146740000
1987	6621684990000
1988	5943213688000
1989	6633231000000
1990	5403131890000
1991	4572071850000
1992	4569489090000
1993	6441401390000
1994	7368765020000
1995	9012311840000
1996	10923108690000
1997	14887284250000
1998	19823002600000
1999	29021176710000
2000	43437415930000
2001	31849073980000
2002	25729116640000
2003	26200631540000
2004	32046808180000
2005	40651277330000
2006	51135388120000
2007	73706821640000
2008	73113133260000
2009	52569602704455
2010	55288069477933.805
2011	60269433760000
2012	47983295410000
2013	50802664930000
2014	57214123910000
2015	56144279280000
2016	54173329696268.484
2017	53840589492192.516
2018	64032577670000
2019	50050415220000
2020	60712827010000
2021	65656785820000
2022	61177668670000