Year	current US$
1990	3943047232.097512
1991	3990736803.065892
1992	5053180230.301462
1993	5163395408.760834
1994	5588172974.255547
1995	6737771241.830065
1996	9224353612.1673
1997	9718804803.44398
1998	11003624566.50632
1999	9356125308.314306
2000	7635211233.954527
2001	8896810249.258673
2002	9750345878.258057
2003	11426080746.736055
2004	13692107969.526676
2005	16456605918.978981
2006	18100588335.716446
2007	22010928466.46007
2008	24968455235.135147
2009	18596233728.304283
2010	19159940010.75004
2011	23157418072.208218
2012	19273447627.062897
2013	20246253731.34045
2014	20771752757.124634
2015	21048587909.766006
2016	18918409851.78098
2017	20186679627.576504
2018	22186996262.128613
2019	22716830140.11761
2020	20805763456.060757
2021	22787300483.577152
2022	23543583367.280247
2023	29168221398.971104