Year	current international $
1990	8938.391961273232
1991	9089.387467834118
1992	9608.540667780773
1993	10366.708830233049
1994	11002.345258852445
1995	11684.984401251306
1996	12434.294306673277
1997	13338.84678330248
1998	13248.90166852776
1999	13684.927784939828
2000	15184.949107060807
2001	16155.988078186127
2002	16531.514717500828
2003	16136.562673827872
2004	17177.579230989035
2005	19380.12904475989
2006	20541.652146922384
2007	21161.24038350063
2008	23908.345686031753
2009	23178.988367688555
2010	23413.06590993967
2011	24191.569012139644
2012	23139.11554906368
2013	24274.268705329665
2014	26363.688424128373
2015	26482.093852938764
2016	27793.74466736214
2017	29123.670528388553
2018	30309.386228461866
2019	31964.69016341962
2020	26883.23978866183
2021	26420.336382255176
2022	31223.074862888003
2023	33402.826679085694