Year	current international $
1990	13676.306999190305
1991	14461.921991532836
1992	14856.007599759247
1993	14973.418690557211
1994	15583.25876115007
1995	16276.742738821597
1996	16973.85234417558
1997	17909.437388859664
1998	19096.482979364544
1999	19954.290215051195
2000	21586.99381419566
2001	22955.966663530984
2002	24371.598849266567
2003	25047.49624584377
2004	26144.383160463694
2005	27606.934051626933
2006	30720.013508914057
2007	32476.89130526103
2008	33263.27239852492
2009	32091.42710305622
2010	31677.22238848067
2011	31867.973239686235
2012	31720.273815697226
2013	32444.461189685695
2014	33540.35717435607
2015	34919.38725206724
2016	37305.62915105627
2017	39550.18907611227
2018	40716.68076276311
2019	43739.63291057999
2020	38967.33991795304
2021	43620.60406141232
2022	48685.49630882721
2023	52779.234057370304