Year	current international $
2000	142.63787543658546
2001	151.12994796643557
2002	159.72706229731864
2003	169.76435952968205
2004	175.25387271957194
2005	185.59673151505783
2006	202.36596626014608
2007	217.27250124736733
2008	229.45170968248883
2009	224.54168477523763
2010	231.7065765984145
2011	251.69266604733997
2012	259.6780340518852
2013	268.5526380052458
2014	271.5546902657135
2015	267.02955087811057
2016	264.04087863612244
2017	283.89867815030635
2018	298.11146207289477
2019	311.04714919489703
2020	288.6456178703895
2021	326.7019604536654