Year	current international $
2000	215.566720115484
2001	219.296159651422
2002	254.360221712063
2003	291.963058011208
2004	401.701501530049
2005	418.931382537847
2006	425.183913954887
2007	490.895776308906
2008	472.210317110862
2009	379.83320110822
2010	443.826824966982
2011	354.27985771216
2012	382.884724244074
2013	374.206157878248
2014	371.551943168288
2015	349.190968453461
2016	334.000503430084
2017	368.804501271175
2018	371.588429503802
2019	380.986599388697
2020	481.046589606081
2021	513.26460382371