Year	constant 2021 international $
1990	4912.926759755231
1991	4969.0198411963875
1992	5083.486763967193
1993	5208.770722617121
1994	5340.308799705911
1995	5337.845379844222
1996	5554.788326029735
1997	5715.030071659749
1998	5857.747369141867
1999	6012.878383640564
2000	6123.374275693949
2001	6164.365461316193
2002	6173.842537676928
2003	6386.105636090443
2004	6634.034413795175
2005	6920.414264493037
2006	7301.926807992463
2007	7653.998158919362
2008	7784.697262204271
2009	7830.143125514533
2010	8210.800658043912
2011	8887.254074444072
2012	9024.091015696502
2013	9238.366327876935
2014	9517.751376232438
2015	9812.067306702345
2016	10352.810441186119
2017	10727.508438399413
2018	11039.21527290534
2019	11209.194984200187
2020	10561.5341244684
2021	11250.247968307585
2022	11766.859609113793
2023	12244.847154969399