Year	current international $
1990	7785.480027407799
1991	8418.03728017035
1992	8843.191455932118
1993	8989.174106634136
1994	9174.141649281339
1995	9395.649080086458
1996	9823.138376955703
1997	10155.013668172707
1998	10517.854085298239
1999	10665.03931134922
2000	11405.811482540335
2001	11612.141564315545
2002	11780.722448991444
2003	12334.28559853896
2004	13415.601428365135
2005	14165.618214537839
2006	15057.8177985063
2007	15879.306101596017
2008	16482.60940874149
2009	16297.70179753618
2010	16952.43781340599
2011	17616.648301564877
2012	18100.855905014738
2013	17946.831618734166
2014	17651.076921362754
2015	15985.434095273005
2016	15771.830943303594
2017	16480.071299208816
2018	17406.489985765766
2019	17315.024527507656
2020	16374.952325499456
2021	17915.005577333977
2022	19980.159460948606
2023	20802.229622378753