Year	current international $
2000	51.0322913971818
2001	59.5519298603596
2002	57.545413054411
2003	59.2969330020193
2004	63.9853677610614
2005	64.8365322928276
2006	68.7230860588659
2007	64.9344442624935
2008	60.8549318775247
2009	66.2893874284582
2010	69.3083683038088
2011	70.442054570007
2012	74.6588419884266
2013	74.3286494487961
2014	73.8943409635043
2015	76.1861360555773
2016	81.104740363001
2017	78.2788434548513
2018	89.7733532777907
2019	82.5422058683074
2020	83.0064337771371
2021	97.1875993792537