Year	constant 2021 international $
2000	16193.998091592162
2001	17329.03382927903
2002	18894.751185263776
2003	20693.482952544313
2004	22471.822077085137
2005	25292.871657030963
2006	28192.573196035766
2007	30618.067373358175
2008	30143.69731929255
2009	26692.32670735537
2010	26664.799358129978
2011	29030.647530757124
2012	30442.444918029832
2013	31874.158626416796
2014	33164.08238857403
2015	34075.126223097126
2016	35422.78331609418
2017	37299.789274079994
2018	39030.15703664678
2019	40702.00794769646
2020	40417.28636543528
2021	43938.48043745956
2022	43028.083615768264