Year	current US$
1994	30800000
1995	150000000
1996	149300000
1997	211400000
1998	272000000
1999	203200000
2000	72400000
2001	242260000
2002	917650000
2003	662200000
2004	603380000
2005	1007319000
2006	604261030
2007	1901875470
2008	973613580
2009	512429999.99999994
2010	639700000
2011	591630000
2012	273960000
2013	169340000
2014	352820000
2015	774050000
2016	950170000
2017	1426080000
2018	1627080000
2019	3326340000
2020	2312270000
2021	3654630000
2022	937080000