Year	current international $
2000	178.855041225558
2001	179.020621609093
2002	193.581955533093
2003	209.017107879636
2004	212.912524687138
2005	240.315559434118
2006	257.054301589266
2007	283.29179972346
2008	302.743963773019
2009	281.622405077502
2010	289.152251107653
2011	332.558248687928
2012	332.201363528762
2013	339.934158766407
2014	363.103570736415
2015	360.733525360496
2016	368.489890056315
2017	375.645514293061
2018	425.190880036132
2019	448.361267128763
2020	476.317489060013
2021	513.091277825991