Year	current international $
2000	564.539683787783
2001	477.542424217603
2002	357.714195923953
2003	401.507357666848
2004	273.332317504024
2005	283.693344754279
2006	343.941275726387
2007	320.660513917097
2008	331.312134447523
2009	373.995749855693
2010	465.820721165908
2011	451.241834511193
2012	427.570562264705
2013	475.96899075552
2014	497.743120712551
2015	512.0676046085
2016	753.895112606855
2017	1022.10238059424
2018	814.625033753054
2019	1125.10912213675
2020	902.635040173214
2021	1028.66831844053