Year	current US$
1980	548000000
1981	704000000
1982	791000000
1983	928000000
1984	975000000
1985	1095000000
1986	1139000000
1987	1104000000
1988	1113000000
1989	963000000
1990	924000000
1991	361000000
1992	418000000
1993	379000000
1994	258000000
1995	415000000
1996	451000000
1997	468000000
1998	503000000
1999	513000000
2000	615000000
2001	638000000
2002	691000000
2003	801000000
2004	1021000000
2005	1184000000
2006	1486000000
2007	2117000000
2008	3616000000
2009	2131000000
2010	3278000000
2011	6598000000
2012	6738000000
2013	6358000000
2014	5237000000
2015	3798000000
2016	3358000000
2017	4337000000
2018	5875000000
2019	6128000000
2020	5299000000
2021	6846000000
2022	8704000000
2023	9253000000