Year	current international $
2000	27.1512713300886
2001	26.2253191553936
2002	24.8659155177015
2003	26.347306124899
2004	26.2225556863332
2005	27.6149243060748
2006	28.7564800808023
2007	34.974084307614
2008	34.4336816455339
2009	36.414084236014
2010	38.2432778052336
2011	38.9144816132005
2012	39.3604725727953
2013	39.8874358462528
2014	40.0867342513113
2015	43.5523957456192
2016	42.0424739445879
2017	43.793420398313
2018	42.2443959638623
2019	40.2223511999152
2020	38.1410702359169
2021	37.1515985215146