Year	current international $
2000	260.365869951551
2001	289.409586951134
2002	310.775016727266
2003	374.215013339927
2004	388.642471152558
2005	405.413691085265
2006	422.62542673147
2007	436.275176954087
2008	417.591373912578
2009	427.651358008946
2010	386.053231423386
2011	376.410960236418
2012	400.34660390638
2013	407.768299864888
2014	415.370763600346
2015	435.985576657184
2016	450.606621137886
2017	456.866656510481
2018	465.766847226471
2019	465.870290162212
2020	446.703723710928
2021	492.357054279017