Year	constant 2021 international $
1990	6249.686217392384
1991	6136.366732380186
1992	6023.843016154474
1993	6049.618864926736
1994	6064.287535035851
1995	6177.7797682325
1996	6383.849232272067
1997	6592.985696229648
1998	6630.398610661028
1999	6801.333713389314
2000	7113.250206191377
2001	7287.9571674269955
2002	7524.066461574008
2003	7876.829329019211
2004	8379.19578882551
2005	8855.856049950085
2006	9461.293270903741
2007	10158.915972918448
2008	10602.73590900471
2009	10698.896428829526
2010	11367.78425408545
2011	11917.83411067191
2012	12389.893499480175
2013	12851.19015387109
2014	13280.444047302475
2015	13681.332886523649
2016	14156.855087548856
2017	14729.808974308255
2018	15303.05699357508
2019	15755.579514753363
2020	15322.643161424225
2021	16355.982876220558
2022	16883.371635804222
2023	17559.28112754354