Year	constant 2021 international $
1990	7897.986893548844
1991	7618.363992044731
1992	8259.86430532349
1993	8188.193838336168
1994	8188.61186217673
1995	8345.203860815256
1996	8241.198282468175
1997	8289.054082247781
1998	8343.54813590796
1999	8441.010012698865
2000	8615.96236288039
2001	8881.821722826111
2002	9195.665960740547
2003	9364.315016101917
2004	9916.095225049745
2005	10447.98849821565
2006	10555.55154774198
2007	10716.715972882672
2008	11214.338841855671
2009	11521.298807312492
2010	11531.591580606486
2011	11549.430726990571
2012	11662.883567940855
2013	11216.17421891182
2014	10305.70357731995
2015	9632.637336687296
2016	9360.925173002086
2017	9357.04032493999
2018	9313.704486389976
2019	9265.266600792263
2020	8970.220283196944
2021	9115.019511452134
2022	9222.515447475575
2023	9421.003606067818