Year	current international $
2001	735.399056669175
2002	694.206017166064
2003	603.092593224836
2004	608.968139080756
2005	597.819358942597
2006	634.067391700384
2007	654.406908273682
2008	718.159346060281
2009	723.368425614856
2010	478.49060586886
2011	460.66128922622
2012	486.219021115385
2013	438.185731173386
2014	487.832831759206
2015	549.203313952477
2016	592.712691204159
2017	595.372560647115
2018	555.520828122986
2019	572.538772909248
2020	517.922961648453
2021	641.367865116258