Year	current US$
1992	640000000
1993	628000000
1994	660000000
1995	840000000
1996	1070000000
1997	1170000000
1998	1018000000
1999	585000000
2000	777000000
2001	892000000
2002	1038000000
2003	1399000000
2004	1769000000
2005	2292000000
2006	2693000000
2007	3690000000
2008	4899000000
2009	3278000000
2010	3855000000
2011	5191000000
2012	5213000000
2013	5492000000
2014	5317000000
2015	3987000000
2016	4020000000
2017	4831000000
2018	5760000000
2019	5843000000
2020	5416000000
2021	7177000000
2022	9219000000
2023	8674000000