Year	current international $
1990	4840.628207484612
1991	5235.241806041019
1992	5443.80657090974
1993	5519.582523225356
1994	5598.634757483369
1995	5733.154867470835
1996	6072.9542584955925
1997	6284.457785426435
1998	6604.264242706333
1999	6869.698048086872
2000	7336.222825001877
2001	7564.043960286983
2002	7803.676525786557
2003	7968.783542558695
2004	8659.216827459839
2005	9126.635981882055
2006	9720.067095863373
2007	10394.246821131774
2008	10748.674664858681
2009	10847.165178892012
2010	11343.519687467378
2011	11352.706782470394
2012	11567.936559826778
2013	11446.081096386763
2014	11156.585973750558
2015	10518.88420796554
2016	10599.42515368797
2017	11053.728380476505
2018	11548.718303086718
2019	11529.120565617983
2020	11717.413745023854
2021	12425.628912336204
2022	13734.470065177089
2023	14451.845457258198