Year	current US$
1990	7500000000
1991	6400000000
1992	3704999999.9999995
1993	2655683690.2800665
1994	2469381443.2989693
1995	2574192823.1254845
1996	3023800304.024322
1997	3637920231.2138724
1998	3804197243.234181
1999	2946925859.35312
2000	3094875335.1884646
2001	3239462097.995337
2002	3406166805.1965795
2003	4000877682.7534785
2004	5199165171.11853
2005	6471712910.477609
2006	7906347725.525195
2007	10208931260.96982
2008	12735844839.521544
2009	10723319726.522863
2010	12209869879.069223
2011	15049331839.110106
2012	16722078802.949026
2013	17200885802.747467
2014	17737747151.642975
2015	14880351881.734882
2016	14744998637.357529
2017	15681941286.497694
2018	17228317459.064903
2019	16841958711.691261
2020	15254265041.643888
2021	17678574249.433388
2022	23246873362.595158
2023	28505436204.1968