Year	current US$
1992	4597000000
1993	3913000000
1994	4260000000
1995	4517000000
1996	4643000000
1997	3981000000
1998	4517000000
1999	4303000000
2000	4432000000
2001	4666000000
2002	4906000000
2003	6187000000
2004	8028000000
2005	8795000000
2006	10361000000
2007	12340000000
2008	14112000000
2009	10403000000
2010	11806000000
2011	13338000000
2012	12371000000
2013	12659000000
2014	13835000000
2015	12925000000
2016	13813000000
2017	16069000000
2018	17402000000
2019	17180000000
2020	17193000000
2021	21878000000
2022	25467000000
2023	24894000000