Year	current US$
1990	1045666606.8544769
1991	1244415584.4155843
1992	779688141.1571604
1993	729847643.4572121
1994	961398392.5488057
1995	913101627.2060004
1996	894135832.2867355
1997	955405625.7643701
1998	1000634291.3776016
1999	919091316.8616605
2000	957156466.9728614
2001	968529888.6606853
2002	1096735501.8749454
2003	1391414378.7687683
2004	1605180991.6580746
2005	2098701566.405409
2006	2482540336.1697807
2007	3570727480.4814453
2008	4697073302.101452
2009	3684309605.1492996
2010	4157364605.552452
2011	4757906586.648028
2012	5139736819.012364
2013	5471934333.893644
2014	5481836306.663446
2015	4427830382.316784
2016	4464568367.680726
2017	5646879065.806081
2018	6612701455.260124
2019	7458380122.321939
2020	5021765669.075538
2021	6073889076.364214
2022	9950475818.85372
2023	14251626834.48838