Year	current international $
1990	3250.680952395958
1991	3499.878334167654
1992	3725.054582508592
1993	3966.108003713175
1994	4251.351807857479
1995	4567.4785924742155
1996	4888.67922743897
1997	5141.734986671752
1998	5136.323807204634
1999	5371.289248766154
2000	5775.984676340834
2001	6079.7482207910925
2002	6451.890256955008
2003	6875.751443593743
2004	7460.033887925619
2005	8117.0393522576705
2006	8910.532294813474
2007	9845.577070690366
2008	10468.71036271384
2009	10847.838673186337
2010	11778.034788707595
2011	12665.653084960228
2012	13536.227398403775
2013	14276.926505031799
2014	14841.141055741191
2015	15309.962685808818
2016	15872.88049108509
2017	16663.64167021869
2018	17770.157627242468
2019	18823.820399583707
2020	19126.953216468348
2021	21207.861667498895
2022	23289.317128125895
2023	25131.296256108602