Year	current US$
1980	1200000000
1981	1500000000
1982	1500000000
1983	1600000000
1984	1700000000
1985	1787000000
1986	2104000000
1987	2260000000
1988	2839000000
1989	2905000000
1990	2930000000
1991	2760000000
1992	1710000000
1993	1640000000
1994	1260000000
1995	1380000000
1996	1320000000
1997	1387000000
1998	1013000000
1999	1177000000
2000	1686000000
2001	1847000000
2002	1894000000
2003	2049000000
2004	2279000000
2005	2718000000
2006	2880000000
2007	3055000000
2008	3580000000
2009	3095000000
2010	3530000000
2011	4370000000
2012	4825000000
2013	4650000000
2014	5585000000
2015	4822000000
2016	3857000000
2017	3781000000
2018	2621000000
2019	2977000000
2020	774000000
2021	631000000
2022	1430000000
2023	2726000000