Year	current international $
1990	7559.804842860878
1991	7539.720519834044
1992	7670.028263647058
1993	7516.643171658013
1994	7449.364307348075
1995	7744.586615506141
1996	8066.218263403932
1997	8157.278360751389
1998	8539.674947776368
1999	8813.539567902642
2000	9225.406080143908
2001	9583.355952046795
2002	10120.388551340573
2003	10843.168458702989
2004	11473.213643131074
2005	12302.95812666296
2006	12863.42786126924
2007	13401.55079765611
2008	13764.009304485875
2009	13765.63899952001
2010	14332.816083693371
2011	14784.033116762424
2012	14590.780112201053
2013	14527.212322972771
2014	14862.79327455472
2015	13973.688268138587
2016	13608.201037141547
2017	13674.87412919649
2018	13916.376098668607
2019	14084.1995307289
2020	12848.762613473826
2021	14690.916230057117
2022	16028.287108715951
2023	17026.961674786697