Year	current international $
2000	2256.0635068777115
2001	2418.3614362230146
2002	2596.230120480869
2003	2764.5133075452623
2004	2922.910312261609
2005	3080.9521816962483
2006	3295.109013127983
2007	3470.5690014045963
2008	3641.1703144796934
2009	3805.5908681146443
2010	3926.9290621959467
2011	4096.2785459569
2012	4221.922948837865
2013	4356.637940430131
2014	4517.243621246436
2015	4692.786077394978
2016	4882.518017354757
2017	5046.49233914203
2018	5237.219340247565
2019	5472.454395851876
2020	5903.142095331527
2021	6181.983811387047