Year	current US$
1980	17500000
1981	19400000
1982	22100000
1983	22100000
1984	19100000
1985	17900000
1986	19700000
1987	20000000
1988	26200000
1989	27900000
1990	29100000
1991	33400000
1992	86600000
1993	158400000
1994	128200000
1995	98200000
1996	134300000
1997	92612500
1998	119270000
1999	152100000
2000	413100000
2001	421700000
2002	561220000
2003	734046734.425252
2004	991371082.27422
2005	1317703230.8047223
2006	1540767224.725308
2007	1891817205.62995
2008	2353546441.892783
2009	2215664355.2203255
2010	1986609955.007216
2011	2235344961.2222457
2012	1859978911.359576
2013	1920457514.5888755
2014	2029284089.6875515
2015	1644064605.209583
2016	1710864725.3925564
2017	1899275995.021445
2018	2193217131.43241
2019	2301320299.2112837
2020	1253910541.139033
2021	1916862353.0829782
2022	2466384901.15152
2023	3437411166.194822