Year	current US$
1980	53400001.53
1981	64500000
1982	63500000
1983	75199996.95
1984	57000000
1985	40799999.24
1986	50000000
1987	58000000
1988	71599998.47
1989	71300003.05
1990	70400001.53
1991	55599998.47
1992	58000000
1993	59599998.47
1994	54799999.24
1995	59099998.47
1996	61000000
1997	63599998.47
1998	46299999.24
1999	38000000
2000	36799999.24
2001	41817001.34
2002	52554813.39
2003	69478279.11
2004	57518516.54
2005	58891885.4418847
2006	80032492.16
2007	99385835.74
2008	115743972.100213
2009	111125263.22
2010	115777234.51
2011	129669769.55
2012	174107424.238
2013	152410998.675332
2014	155464965.93
2015	142879136.459263
2016	93372689.548241
2017	257936772.461252
2018	417729496.408596
2019	879252924.389868
2020	396813813.343005
2021	739247615.939314
2022	246111017.832076
2023	664552122.813588