Year	current international $
1990	3070.2645544936627
1991	3330.6320746940037
1992	3566.35795471502
1993	3823.6075978880153
1994	4130.948986826972
1995	4490.264746093612
1996	4850.790798101087
1997	5084.191936455353
1998	4397.090203232079
1999	4427.674474311253
2000	4682.496616326273
2001	4892.895213160261
2002	5121.673837187019
2003	5399.7243060558585
2004	5750.204743186374
2005	6189.568860103647
2006	6644.533940486788
2007	7162.984355380728
2008	7639.919098058418
2009	7941.243695770214
2010	8431.821765253559
2011	9022.721379601573
2012	9624.588231629776
2013	9966.382934982443
2014	10168.676059923057
2015	10132.316082028461
2016	10371.442325530805
2017	10802.712604435483
2018	11494.944850555676
2019	12115.702065383859
2020	11856.943325570317
2021	12897.103144469815
2022	14445.643155792111
2023	15612.799123651957
