Year	current US$
1990	2370118080.2437787
1991	3278912102.85573
1992	2973841376.633458
1993	2561996954.790349
1994	4464828568.038914
1995	5926164705.882353
1996	5822021546.261089
1997	6777957403.421321
1998	6987750307.640676
1999	7464498940.730905
2000	7217216520.707466
2001	7142472625.784655
2002	8348732346.274917
2003	11779098937.722328
2004	14469341673.520887
2005	16671888276.071589
2006	18629427726.20468
2007	24789948201.95263
2008	26873595390.069527
2009	18178872984.206627
2010	22023262638.91671
2011	26380663062.79188
2012	24813347173.150787
2013	26245195571.60478
2014	27012822268.196377
2015	24572205576.122253
2016	23539082809.568928
2017	24054562246.94004
2018	26767745205.34507
2019	25425205047.497997
2020	22964742541.19695
2021	26165760331.62361
2022	20449135708.161556
2023	27821938156.006374