Year	current international $
1990	4781.0429291019855
1991	5177.9948376846405
1992	5394.864227971024
1993	5477.322240993458
1994	5544.60695670174
1995	5678.282011132608
1996	6013.5534417138415
1997	6217.019554231737
1998	6557.9073102588545
1999	6750.795031635177
2000	7245.140071223689
2001	7499.291488772958
2002	7734.094779719358
2003	7895.150748039274
2004	8572.638365662919
2005	9035.489413177076
2006	9676.794234278543
2007	10415.117495713637
2008	10779.197361365072
2009	10846.094303603348
2010	11274.05616593611
2011	11243.67609454541
2012	11478.767608022796
2013	11333.769557230451
2014	11041.88320071386
2015	10412.265427470855
2016	10525.528940091806
2017	10959.623561327515
2018	11419.17945910358
2019	11343.669610770092
2020	11529.814727607829
2021	12218.32803071392
2022	13497.942586347699
2023	14173.58747451634