Year	current international $
2000	933.404623295896
2001	1027.97248759033
2002	1078.83974089677
2003	1099.91353307391
2004	1036.49923307419
2005	1019.60072570013
2006	984.783526242522
2007	1003.15569563287
2008	1004.37362066463
2009	1336.98511530065
2010	1277.90049611569
2011	1261.58939213103
2012	1443.1674526101
2013	1507.32709931538
2014	1493.11872140332
2015	1485.25123653294
2016	1350.56173511331
2017	1255.90194783941
2018	1216.77152874296
2019	1196.92434729426
2020	1494.42678283441
2021	1543.8155043532