Year	current international $
1990	3352.293191035419
1991	3468.232114516557
1992	3457.0281558332326
1993	3650.6259709929654
1994	4105.547115028464
1995	4416.50936267636
1996	4538.186005960642
1997	4826.674033470166
1998	4776.534806445355
1999	4835.2604940834335
2000	5001.395185793284
2001	5076.950384418109
2002	5373.452017307937
2003	5648.082900055557
2004	6028.489915365134
2005	6548.803015051926
2006	7199.213387289134
2007	7962.600937518372
2008	8793.456470065057
2009	8882.01204278196
2010	9665.654144823646
2011	10400.948481171967
2012	10685.115190002176
2013	11207.529789677626
2014	11427.381185280023
2015	11504.34798607025
2016	11963.338442060836
2017	12479.96399661025
2018	12953.817550002686
2019	13408.353241278863
2020	12387.451345905794
2021	15028.627700583616
2022	16363.086394311307
2023	16717.38310369405