Year	current international $
2000	127.828545489848
2001	140.890732466243
2002	148.491731646477
2003	147.284514736019
2004	161.574997168829
2005	174.166899641002
2006	200.22673687909
2007	209.889194896538
2008	193.000719115128
2009	205.60470685234
2010	240.835984116999
2011	242.930807204555
2012	282.705920078231
2013	290.436920618056
2014	290.62542262016
2015	274.769466586268
2016	291.456668349928
2017	332.978171308188
2018	347.434923096662
2019	356.267833012232
2020	408.39706331624
2021	505.638909508142