Year	current international $
1990	2266.359625962195
1991	2381.8736474607613
1992	2485.7825555589816
1993	2604.091548668807
1994	2724.3697734077564
1995	2867.0797066596942
1996	3046.469956640308
1997	3209.6703659467353
1998	3238.6645812802267
1999	3351.4471030841187
2000	3560.5314374774516
2001	3726.632293422355
2002	3902.3022556817873
2003	4147.309696663456
2004	4514.867989824166
2005	4909.155309797916
2006	5428.512856345469
2007	5988.851063795349
2008	6381.89684862934
2009	6589.475416429837
2010	7083.867335606155
2011	7566.368641798018
2012	8028.9672200787945
2013	8378.164447227538
2014	8701.223310518695
2015	8822.97148972541
2016	9153.574708399216
2017	9607.729002682172
2018	10206.416289148081
2019	10750.796859982489
2020	10739.361532883466
2021	11932.81700008444
2022	13233.876897743425
2023	14252.557784728662