Year	constant 2021 international $
2008	3081.4075800745363
2009	3167.362078383745
2010	3301.2811606661594
2011	3070.583492836867
2012	3282.1635149908666
2013	3512.7077532803955
2014	5137.627763618656
2015	5347.009298469821
2016	5582.247992883383
2017	5804.946039940759
2018	5941.990576573721
2019	6182.837505242548
2020	6057.456504938428
2021	6320.312516072258
2022	6540.49216442057
2023	6735.416264833226
