Year	current international $
1990	2991.563440024012
1991	4529.946485948997
1992	5281.476364877326
1993	5873.637756098352
1994	6369.619166449613
1995	6797.555879155095
1996	7560.764680701033
1997	7633.572170608413
1998	7865.923244691045
1999	7802.300344890238
2000	7953.936642733936
2001	8313.402933096007
2002	8618.753556232345
2003	8955.447621327137
2004	9660.43540368106
2005	10080.545162268876
2006	10380.679010180285
2007	11437.142366140257
2008	12511.812979757806
2009	13699.067483139725
2010	14837.495391371498
2011	15125.822947490964
2012	16300.049997723017
2013	16501.169605739
2014	16326.74178987638
2015	17241.76945381018
2016	19135.60925149664
2017	21138.4053309102
2018	22108.442066563868
2019	21758.10325250017
2020	16373.047986155663
2021	11860.058625271195
2022	12852.666020115446