Year	current US$
1976	1739000000
1977	2057000000
1978	2616000000
1979	3340000000
1980	3848000000
1981	3850000000
1982	3302000000
1983	2812000000
1984	2678000000
1985	2567000000
1986	3176000000
1987	4291000000
1988	5064000000
1989	4766000000
1990	6514000000
1991	7142350000
1992	8641000000
1993	8153000000
1994	9142000000
1995	9528000000
1996	9262000000
1997	9224000000
1999	16561860196.68986
2000	19228544093.0157
2001	19474288136.171207
2002	20137752606.077816
2003	24306048189.36021
2004	33113540208.885353
2005	33937563762.30868
2006	35825277993.52525
2007	43184221260.43537
2008	50658505655.03544
2009	37976000475.2629
2010	37530667850.695816
2011	40072694496.56914
2012	34903649137.520065
2013	37005318673.20789
2014	41029711958.881195
2015	34937865462.30956
2016	32905337510.463654
2017	38237102482.62196
2018	43505091906.77194
2019	44721478115.89526
2020	25853252166.957714
2021	41134090119.388336
2022	49626644968.91379
2023	53037849443.34971