Year	current US$
1990	7570218457.423094
1991	4149757821.7044115
1992	4820000000
1993	4715084533.912243
1994	6099789135.33403
1995	7920699559.332704
1996	8459617255.919559
1997	7768061674.623392
1998	7843656414.56671
1999	6488882685.79076
2000	7122852015.22706
2001	8499011898.850651
2002	9887361925.105799
2003	13145243368.462778
2004	16715604611.63658
2005	23001846822.52828
2006	32478017844.892616
2007	61704173074.951294
2008	79911412235.22723
2009	45262377739.335754
2010	43650366594.291824
2011	51670828128.77221
2012	48378236549.21861
2013	46358157369.91037
2014	48656400456.828926
2015	44378227146.689926
2016	42827386693.33213
2017	47968237815.151764
2018	52034659887.04636
2019	57682332745.388374
2020	59146247212.53008
2021	69315455638.22089
2022	73895968305.25917
2023	94333668539.44865