Year	current international $
2000	26.7774759945192
2001	30.2313708678284
2002	49.196880513713
2003	31.5989772672198
2004	43.8700649382905
2005	45.8006284218958
2006	52.1957395090747
2007	49.0293553843535
2008	49.3879338081684
2009	52.1329454029849
2010	54.3796696879014
2011	46.7192410494403
2012	43.3482779710682
2013	40.816252504718
2014	43.4929796902132
2015	50.6756660039554
2016	47.6417794037129
2017	48.1903593139646
2018	47.7035786591594
2019	47.715641736293
2020	54.4225811826922
2021	49.3542609424616