Year	current international $
1990	6944.984828172453
1991	6724.100816871781
1992	6257.425652881653
1993	6099.585400982203
1994	5648.515684019719
1995	5736.914692024187
1996	5869.994564010463
1997	6139.252886385088
1998	5770.4749069204045
1999	5975.8253744941885
2000	6617.600130698218
2001	6995.165386295527
2002	7509.732522586768
2003	8200.301035204497
2004	9146.0158938184
2005	10161.851108734681
2006	12012.214229800815
2007	13407.274308468997
2008	15282.392133174755
2009	14892.501899020453
2010	15928.647013392045
2011	17520.231100259243
2012	18517.813830275994
2013	19786.809427148943
2014	20220.936604235983
2015	20008.168998234658
2016	20575.044051845376
2017	21893.741127322854
2018	23439.52071152762
2019	25254.824128175744
2020	25676.212399120548
2021	29885.662509318037
2022	32986.45911537583
2023	36096.988057173316