Year	current international $
2000	13.9267211007826
2001	13.8670721073079
2002	17.4264660698299
2003	20.0844812562347
2004	20.6638404582354
2005	21.0862465148418
2006	18.6120697966115
2007	20.9636725220842
2008	23.6277418077035
2009	27.862529958374
2010	32.964683338385
2011	33.3469141438285
2012	40.3377352319353
2013	43.3107437146122
2014	39.6562607230919
2015	45.8738226672087
2016	49.4627729024665
2017	59.5288212603005
2018	70.4443373470391
2019	77.4681561667144
2020	86.1625080862873
2021	95.7840528127755