Year	current international $
2000	2666.921926230013
2001	2775.24220551969
2002	2726.1682252910964
2003	2613.7066497535043
2004	3021.887004193592
2005	3254.822068195976
2006	3522.839599769358
2007	3799.037959239135
2008	3947.0261973873594
2009	3905.190299699238
2010	4055.01164532883
2011	4054.708861769525
2012	4310.393596511907
2013	4494.470810533479
2014	4535.550514953053
2015	4381.811673697537
2016	4440.453185141709
2017	4576.387199924437
2018	4846.442837198941
2019	5078.730237679248
2020	4956.06883703998
2021	5132.288203611326
2022	5348.678140293219
2023	5539.284173522447