Year	current international $
1990	7055.264561863259
1991	7462.101767619349
1992	7865.423654136113
1993	7986.47985725862
1994	8101.887278960227
1995	8332.521236298078
1996	8629.05986818154
1997	9009.640172297277
1998	9418.891430212003
1999	9360.992233395347
2000	10033.03946831386
2001	10203.941335243084
2002	10102.598208120464
2003	10487.712624148475
2004	11549.931204518252
2005	12294.250349963695
2006	13220.559325994192
2007	13887.232137372213
2008	14482.001075664793
2009	14203.421703321555
2010	14564.283600527948
2011	15067.341896244221
2012	15981.65753156582
2013	15941.507793602123
2014	15748.96108396994
2015	14318.907426200709
2016	13884.381065758886
2017	14462.541037950947
2018	15357.418959209921
2019	15440.891230248099
2020	14195.77790408945
2021	15538.781750124203
2022	17240.575441984383
2023	17736.387173410283