Year	current international $
1990	2469.7456285039484
1991	2510.2086166056383
1992	2506.6886160200293
1993	2435.0953683088956
1994	2288.8877224694634
1995	2263.9478687754836
1996	2292.244282682002
1997	2401.3318797922157
1998	2483.161875070487
1999	2513.645203689287
2000	2668.115380101052
2001	2783.5434152909875
2002	2811.458337958504
2003	2756.3493662895526
2004	3144.527263668343
2005	3368.6765155366456
2006	3621.842064725801
2007	3873.6501837907867
2008	4051.8026743096407
2009	4007.5634918544433
2010	4176.697757457158
2011	4200.310053055813
2012	4406.641227400242
2013	4608.791709754402
2014	4624.613205046199
2015	4425.676392191017
2016	4485.442399869792
2017	4634.350540424441
2018	4914.659058931865
2019	5138.876452111998
2020	4990.508000956464
2021	5228.805629698751
2022	5401.626120719898
2023	5580.638134087054