Year	current international $
2000	290.981674232198
2001	322.73825453959
2002	296.582755415294
2003	346.385333344717
2004	381.454447990797
2005	413.043205074857
2006	398.65492972438
2007	429.850235155315
2008	471.77529232256
2009	587.494609319545
2010	676.666956248421
2011	665.784545208615
2012	563.868530062879
2013	451.538690180486
2014	420.948252208947
2015	460.533494778862
2016	485.096380765593
2017	477.557558524706
2018	419.108847951815
2019	358.133320927548
2020	306.707458372789
2021	328.287027316842