Year	current US$
1994	30800000
1995	150000000
1996	149300000
1997	211400000
1998	272000000
1999	119200000
2000	72400000
2001	242260000
2002	916210000
2003	618720000
2004	603380000
2005	1007319000
2006	604261030
2007	1822808170
2008	683556780
2009	506710000
2010	123700000
2011	368140000
2012	273960000
2013	169340000
2014	308870000
2015	774050000
2016	950170000
2017	1426080000
2018	1627080000
2019	3326340000
2020	2312270000
2021	3654630000
2022	937080000