Year	current international $
1990	2384.3980576353683
1991	2510.028044945074
1992	2622.9927607620452
1993	2751.483488925877
1994	2883.0330983957692
1995	3036.673948232153
1996	3229.5393266421365
1997	3404.252384447784
1998	3436.158496643021
1999	3559.9892706606274
2000	3786.716904450915
2001	3966.341285989075
2002	4158.5210907146275
2003	4426.268497022401
2004	4826.222952148501
2005	5254.908772591149
2006	5821.914764529252
2007	6434.592987870256
2008	6867.846858387626
2009	7100.316097438271
2010	7646.702508342882
2011	8185.6501724192585
2012	8709.828603601334
2013	9097.42648637599
2014	9449.985050428673
2015	9587.947511510147
2016	9955.141083143428
2017	10467.243480920246
2018	11140.312145599653
2019	11754.161370884472
2020	11761.341510868933
2021	13106.623524053046
2022	14568.772199459827
2023	15724.838586881087