Year	current US$
1985	129000000
1986	116000000
1987	93000000
1988	128000000
1989	150000000
1990	64600000
1991	117400000
1992	95144000
1993	89200000
1994	150200000
1995	113058000
1996	225873000
1997	138540000
1998	121830000
1999	152980000
2000	267280000
2001	202500000
2002	206791017
2003	201083912.5
2004	322767646
2005	176825253.59
2006	1484233231.82
2007	310711817.82
2008	329450105.74
2009	623201630.99
2010	856877283.29
2011	732259285.163651
2012	780010051.961354
2013	1315703839.48478
2014	1681346774.64513
2015	1256163317.86066
2016	710892137.461013
2017	984580377.865217
2018	631124522.868452
2019	454581487.190251
2020	67008010.8385968
2021	93510329.523947
2022	82207574.8679717
2023	75846222.4589143