Year	constant 2021 international $
1990	4363.308862126124
1991	4101.869509977961
1992	4230.614331242882
1993	4380.783132167558
1994	4268.844406797286
1995	4408.361956843109
1996	4367.813393591957
1997	4444.053049114698
1998	4483.617068272951
1999	4334.630638763198
2000	4525.372259568906
2001	4525.464573888321
2002	4573.601065770034
2003	4660.746617575643
2004	4829.4894490349625
2005	4999.015031033739
2006	5203.100961744798
2007	5400.100990628607
2008	5505.424216491038
2009	5257.645887347401
2010	5341.763136403633
2011	5436.28900504809
2012	5551.374536501995
2013	5599.173681602088
2014	5664.7081281675055
2015	5776.763537463274
2016	5896.159959189337
2017	6075.083699335692
2018	6201.72602336189
2019	6254.460687854084
2020	5602.088721183939
2021	6209.940349649837
2022	6371.470364008414
2023	6499.4735758305505