Year	current US$
1976	129000000
1977	197600000
1978	181200000
1979	209100000
1980	245200000
1981	286500000
1982	324400000
1983	344200000
1984	337000000
1985	365900000
1986	388400000
1987	432500000
1988	459600000
1989	490900000
1990	520100000
1991	501100000
1992	475100000
1993	531340000
1994	592600000
1995	605400000
1996	669200000
1997	790400000
1998	938800000
1999	884000000
2000	968780000
2001	896300000
2002	929056312.606
2003	1008660000
2004	1168790000
2005	1208632094.815
2006	1509580000
2007	1501899807.87322
2008	1306031975.031
2009	1069483000
2010	1100568000
2011	1257854000
2012	1521880000
2013	1615312000
2014	1715546391.2425
2015	1262344905.3056
2016	1590391040.7246199
2017	1676286679.842658
2018	1664223200.19849
2019	1643871286.61384
2020	1168637936.55052
2021	1563244865.43901
2022	1703635213.88312