Year	current US$
1979	1063000000
1980	3645700000
1981	6376700000
1982	2419000000
1983	5587600000
1984	3842600000
1985	1445610000
1986	2681700000
1987	7222420000
1988	4622030000
1989	14114810000
1990	21069600000
1991	18083700000
1992	18905900000
1993	83468250000
1994	88880800000
1995	63952220000
1996	60254800000
1997	74137300000
1998	58509600000
1999	107406500000
2000	95153100000
2001	71093600000
2002	63047800000
2003	94336510000
2004	110812120000
2005	116623470000
2006	185884510000
2007	381288700000
2008	253028450000
2009	253832050000
2010	305796890000
2011	274686370000
2012	260747370000
2013	278735280000
2014	200606610000
2015	198030460000
2016	188052424095.719
2017	219611952181.099
2018	219525210000
2019	114204160000