Year	current US$
1993	377500000
1994	695100000
1995	85300000
1996	58900000
1997	309200000
1998	281600000
1999	208460000
2000	133600000
2001	130520000.00000001
2002	315460000
2003	720220000
2004	558120000
2005	1079860000
2006	978630000
2007	966270000
2008	968470000
2009	1245300000
2010	4994900000
2011	4795920000
2012	1674450000
2013	1532630000
2014	2598450000
2015	1793280000
2016	1203803238.5358598
2017	2400646945.68048
2018	1097420000
2019	942180000
2020	1855740000
2021	5273400000
2022	1684420000