Year	current international $
2000	605.896135258819
2001	656.338217368185
2002	681.603875299529
2003	732.386634706347
2004	778.796520315227
2005	800.618237442707
2006	856.815564921495
2007	866.002891208777
2008	915.984158632069
2009	962.418975799137
2010	997.161841684032
2011	1013.75589306102
2012	1095.2439898716
2013	1349.78095211033
2014	1399.42734750682
2015	1392.93125207044
2016	1461.94342975872
2017	1475.67036974795
2018	1520.95853070493
2019	1415.70412027901
2020	1567.35587380281
2021	1554.62824885286