Year	current international $
2000	56.2931731170102
2001	76.858792836236
2002	89.8916932215991
2003	109.244615796847
2004	123.912827667378
2005	128.452872505488
2006	146.774391432172
2007	177.405162644961
2008	192.418992228113
2009	217.252956065877
2010	266.379802930819
2011	310.029464334306
2012	362.755188556323
2013	436.701427307138
2014	491.456578973275
2015	485.94151092447
2016	498.26300215761
2017	542.45211423115
2018	591.597992555146
2019	578.263593414115
2020	554.559383905115
2021	618.702485150155