Year	current international $
2000	225.435616503426
2001	237.02521686332
2002	244.057814711357
2003	279.057554446171
2004	314.56078674395
2005	313.673101695189
2006	336.653424538999
2007	364.150145404536
2008	394.542179871423
2009	421.461801631409
2010	445.590898381957
2011	487.942666992761
2012	522.89639289235
2013	549.612139641405
2014	529.291494299006
2015	554.502328780212
2016	558.514345203418
2017	552.496497715067
2018	546.337972192862
2019	541.731176725735
2020	609.439608616041
2021	596.200407669348