Year	current international $
1990	5268.209680736322
1991	5835.330016974936
1992	6325.4929998807675
1993	6689.60380099675
1994	6884.893026585309
1995	7008.380329190208
1996	7278.999619228353
1997	7725.75366196269
1998	8219.925807856356
1999	8492.24409409289
2000	8746.251689518489
2001	8820.321256457075
2002	8981.12041178633
2003	9361.763084973729
2004	10139.993404988774
2005	10997.86033803146
2006	12088.652856190252
2007	13648.689407694934
2008	15004.389525148561
2009	15009.46987166884
2010	15792.088805155485
2011	17624.98340625239
2012	19639.797076667688
2013	22090.760975077133
2014	24545.034143924982
2015	27409.243116634738
2016	30427.094093923573
2017	33628.226840954805
2018	32473.081520292195
2019	33229.49602617765
2020	27022.63901297741
2021	30895.83224995936
2022	36169.58621070296
2023	39695.08195846969