Year	current international $
2000	226.385187999904
2001	240.866548812882
2002	253.888277755978
2003	265.01384424692
2004	276.043634991095
2005	290.229437417559
2006	268.665287027791
2007	265.538235814734
2008	256.617893913801
2009	205.01725946429
2010	176.993869230951
2011	172.585225032373
2012	173.938333114726
2013	163.697277811939
2014	142.432450944358
2015	202.180417516365
2016	208.180750058661
2017	232.739533119784
2018	241.972170226771
2019	250.677189328646
2020	256.420098356796
2021	276.605694366049