Year	constant 2021 international $
1990	7640.241681032495
1991	7695.978220226419
1992	7878.441178545781
1993	7209.868258708721
1994	6807.373523381764
1995	5534.527906826341
1996	5587.442235417093
1997	6137.075452186222
1998	6758.505551586071
1999	5659.8958490035
2000	5252.295516692681
2001	5649.538043275762
2002	5781.970885726273
2003	5614.568777072161
2004	5338.5011060293255
2005	5990.514106002967
2006	6980.679136227676
2007	6293.99611133025
2008	6588.387709902399
2009	7644.19848963034
2010	7894.7257063320885
2011	7587.391432728415
2012	8550.156793905933
2013	8596.6826595428
2014	9322.621347041426
2015	8963.589042604495
2016	7797.002696312868
2017	6574.905208611332
2018	6668.385344323861
2019	6305.480329670833
2020	6357.600440538522
2021	6074.6081111133035
2022	5806.8552685979585
2023	5902.599065525293