Year	current international $
2000	232.164203495991
2001	229.915511864262
2002	240.341713780217
2003	240.720347317758
2004	217.710801116491
2005	249.133641977058
2006	264.592797194642
2007	307.704383702201
2008	322.376103624693
2009	300.163351291887
2010	310.279271148842
2011	325.390196388947
2012	330.03319795162
2013	341.031086101978
2014	298.209520057917
2015	327.000659515937
2016	341.688244384309
2017	381.593994313211
2018	396.96865077223
2019	430.552463510863
2020	417.603143948819
2021	452.737398590914