Year	current international $
2000	301.15544220569194
2001	317.06231504805635
2002	337.2275798941871
2003	354.1900137865309
2004	380.82937896206244
2005	392.0932182790728
2006	432.40365984099367
2007	453.26179154365985
2008	491.16288822776534
2009	503.90928972859115
2010	520.4900314679826
2011	548.9995466282184
2012	567.3959604267224
2013	583.7616675532811
2014	597.6247550116124
2015	614.951287824322
2016	645.9125504317749
2017	677.8656383889428
2018	701.4894978104434
2019	748.4668304451826
2020	727.9350255023534
2021	790.4947049797537