Year	current international $
1990	21970.442346840122
1991	22401.482777160792
1992	21862.50157759918
1993	22445.28569425455
1994	23546.903870972237
1995	23938.474203938425
1996	24767.074283006124
1997	26868.11149857459
1998	28720.912968418565
1999	29557.54182688462
2000	29782.87381042146
2001	31885.451073426448
2002	32607.10587965683
2003	32701.04894748921
2004	35617.21359796759
2005	37322.73992727925
2006	39700.081709912534
2007	41472.84493501839
2008	43728.114056412305
2009	41862.95992539064
2010	39768.41695991389
2011	40936.86783051303
2012	42004.44761105966
2013	44409.66895309035
2014	45996.96874769013
2015	49201.064096455295
2016	53480.39719467644
2017	55638.49205917962
2018	57197.76762471731
2019	60523.81794408269
2020	55796.74546676341
2021	61966.416772295976
2022	73471.49970301607
2023	77567.19181257462