Year	current international $
1990	6799.913205278257
1991	7193.543828442877
1992	8041.60107552164
1993	8123.592292133614
1994	8544.030561785112
1995	9011.002380778536
1996	9788.62630559085
1997	10668.033681521561
1998	11625.585621840355
1999	12693.131502545986
2000	13822.958147026096
2001	14653.396162030744
2002	15973.906838711906
2003	18537.16560070957
2004	20433.893868811236
2005	22253.890816500083
2006	25822.16890058114
2007	27623.328227151513
2008	28944.51868782953
2009	27677.353941727346
2010	28757.80232629672
2011	29064.312371731296
2012	29966.839984399066
2013	29693.37091949124
2014	29926.621645091313
2015	27758.83051961813
2016	26122.020016904473
2017	26364.227410858006
2018	26644.49510811924
2019	26641.389155278925
2020	23972.048178708403
2021	27631.67781464189
2022	29910.142636703033
2023	31572.101021875114