Year	current US$
1993	13200000
1994	13200000
1995	308000000
1996	178720000
1997	242360000
1998	100040000
1999	68810000
2000	189230000
2001	115900000
2002	160170000
2003	246530000
2004	464980000
2005	756920000
2006	1876170000
2007	4386100000
2008	3215960000
2009	1461890000
2010	1049849999.9999999
2011	926790000
2012	542700000
2013	553800000
2014	490100000
2015	423780000
2016	317770000
2017	432312165.65727997
2018	247230000
2019	328510000
2020	372870000
2021	261930000
2022	243640000