Year	current international $
1990	2549.2564543248745
1991	1908.952894669689
1992	1823.1528084199829
1993	2057.295897351357
1994	2289.6979639604365
1995	2665.557251977612
1996	2979.8263588433965
1997	2717.1448652579015
1998	3021.034960659204
1999	3471.667789015399
2000	3861.308568377608
2001	4300.836107196671
2002	4751.821236592595
2003	5000.309082270472
2004	5427.796555800217
2005	5865.238608149005
2006	6566.490567162775
2007	7284.887343453982
2008	8228.131886716557
2009	8812.604736864154
2010	9626.664893218443
2011	10207.169878416134
2012	10525.72253488832
2013	10570.419832602909
2014	11258.45727962437
2015	11658.045749409468
2016	12078.348824402556
2017	12769.762584785349
2018	13497.24932263534
2019	14617.784909370364
2020	14436.48504428227
2021	16261.804554187958
2022	19492.78309856916
2023	21395.325037263316