Year	current international $
1990	4594.785757939431
1991	4781.663818621761
1992	4787.480044481301
1993	4751.675776858194
1994	4887.441224756162
1995	5052.7842008122725
1996	5333.364092624147
1997	5659.495249825211
1998	6356.559465881416
1999	6851.02461630143
2000	7307.016623635485
2001	7286.149515465578
2002	7632.855013916242
2003	8480.302797838212
2004	8590.657945580831
2005	9969.107048392321
2006	9800.70980416403
2007	10612.168817449674
2008	10846.027075901195
2009	10121.839054510263
2010	10121.874305853813
2011	10330.082975136134
2012	10288.9048335748
2013	10868.243738461702
2014	11830.604428012002
2015	12736.389667889736
2016	13414.052467669855
2017	14359.418148336139
2018	15168.89176556988
2019	15542.49156440347
2020	13510.814416612948
2021	14325.554848226311
2022	16348.17021514828
2023	17654.097688067734