Year	current US$
1975	142489850000
1976	179689860000
1977	172541000000
1978	236003000000
1979	289928290000
1980	436972300000
1981	439446830000
1982	524612000000
1983	825292300000
1984	1133729140000
1985	1507774270000
1986	2238904160000
1987	2970218800000
1988	2033878640000
1989	2430951290000
1990	2100221540000
1991	2213177490000
1992	2606154520000
1993	3567770960000
1994	3804886150000
1995	5362068500000
1996	7230513400000
1997	9603600440000
1998	12662035510000
1999	19208623480000
2000	30410669050000
2001	21329743240000
2002	17501415000000
2003	16551682410000
2004	19809681930000
2005	26724369790000
2006	31819076820000
2007	44597733780000
2008	48748427550000
2009	35639259114455
2010	37430327167933.805
2011	42519441370000
2012	33697466970000
2013	34570878990000
2014	40320459090000
2015	42494592010000
2016	43224913644108.8
2017	41066069910000
2018	50436959450000
2019	37774922910000
2020	43040546600000
2021	48064113070000
2022	46565152470000