Year	current international $
1990	6044.594808652367
1991	6391.4369086291335
1992	6625.48894459227
1993	6813.1813044419705
1994	7123.951998307911
1995	7294.874701903819
1996	7583.391426870174
1997	7998.536218589999
1998	8162.89112076536
1999	8139.539374293549
2000	8505.753270117755
2001	8620.105370212497
2002	8640.021533670099
2003	8865.078040628117
2004	9463.970332767347
2005	10069.719647660011
2006	11031.161211073113
2007	11856.878498519902
2008	12470.525446581034
2009	12240.881054763986
2010	12965.184896004337
2011	13816.73356882103
2012	14132.818286385716
2013	14647.881091019877
2014	14949.13633875997
2015	14782.2207800572
2016	14996.322116782312
2017	15604.322497259864
2018	16184.70093805149
2019	16584.103057089967
2020	15979.42732233638
2021	17900.3016046402
2022	20035.53353437087
2023	21121.795513040262