Year	current international $
1990	7248.016599206954
1991	6739.56224348517
1992	6621.232181191795
1993	6848.865866977222
1994	7291.915008836509
1995	7885.918198332479
1996	8294.86318776785
1997	8573.81203310216
1998	8963.598341932297
1999	9240.693433240653
2000	9865.381688265905
2001	10643.30248048449
2002	11497.185972586758
2003	12050.451878118643
2004	13003.632066849696
2005	13897.408490871154
2006	15346.468561003263
2007	16981.21709897737
2008	19011.478737310776
2009	19116.74311966681
2010	20123.384373805307
2011	21477.179669775014
2012	22317.781478366967
2013	23129.036956145173
2014	24153.940711115236
2015	25234.28091939196
2016	26813.972270584192
2017	28829.107252174203
2018	30918.88849914657
2019	34303.97195002385
2020	34835.900617623345
2021	38533.676922355175
2022	43671.9775628638
2023	46609.25945349894