Year	current international $
1990	5226.618884460679
1991	5336.070635910979
1992	4922.908278176553
1993	4646.3186207773715
1994	4195.255627360435
1995	3850.232958960262
1996	4044.094460660853
1997	4601.895919883362
1998	5067.2918467819545
1999	5337.6921626283565
2000	5802.4733412490705
2001	6245.4404594946
2002	6705.036471727009
2003	7370.385875527362
2004	8492.904037841447
2005	9648.233107643464
2006	11007.53804326262
2007	12334.523879328477
2008	13902.474463193512
2009	14050.708435618524
2010	15364.029843635673
2011	16563.20140782093
2012	18114.750860670767
2013	19014.052973769783
2014	19037.820953059905
2015	18133.569628888905
2016	17832.47788558153
2017	18413.71273771971
2018	20026.030669869942
2019	22301.576688637626
2020	24872.339899371058
2021	27611.18011351555
2022	28406.06614819642
2023	30751.49541885511