Year	current international $
1990	12881.708561341235
1991	13541.806157227806
1992	13788.760984930363
1993	14595.703985729055
1994	15609.02839202604
1995	14946.097067298777
1996	15899.528924567798
1997	16718.47536258898
1998	17375.8962205261
1999	17965.943738929273
2000	19191.856025375368
2001	18446.389286376318
2002	18685.21447463882
2003	19984.204454908802
2004	21466.91459307202
2005	23299.426126690534
2006	26726.811944809317
2007	29597.90137677435
2008	29716.469809439266
2009	25923.34711671437
2010	23853.57957991635
2011	23584.271449971147
2012	22271.695148597333
2013	21652.90332626422
2014	21558.999770507136
2015	20865.233908962415
2016	21181.62741497515
2017	21217.62926145921
2018	24336.85486171517
2019	26316.833216635983
2020	22159.41228616663
2021	25493.12955486905
2022	29711.56331658123
2023	31802.37719650181