Year	current US$
1990	5007456929.70523
1991	4741978394.97075
1992	4640786428.1598
1993	4542432145.95207
1994	5124279766.46661
1995	5622205267.06024
1996	7361382200.84069
1997	8276686243.51029
1998	9335259620.03676
1999	9867050085.24589
2000	10796894263.6926
2001	11096570579.0442
2002	12416285358.617
2003	13618245910.0361
2004	15525834635.9061
2005	17054233038.7743
2006	19012704274.4518
2007	22195920702.5069
2008	26619557702.7825
2009	31265706417.9158
2010	34953270572.954
2011	38199410055.6873
2012	42790130967.5375
2013	47251308475.0644
2014	51020877356.323
2015	55550811137.3435
2016	77809439270.9281
2017	79517056624.4505
2018	87261496619.3732
2019	123908852361.86
2020	134411398739.136
2021	143714117042.555