Year	current international $
2000	562.6183526955447
2001	629.6498388486154
2002	706.8025560925289
2003	780.1436695944625
2004	843.7818890573067
2005	900.9582767658487
2006	980.6723134116845
2007	1079.3648451344236
2008	1242.8473375583426
2009	1328.0687252386913
2010	1417.001846545512
2011	1444.798060173711
2012	1500.1071007686855
2013	1574.482446102156
2014	1630.0977340083316
2015	1688.2604902445194
2016	1833.3087262080592
2017	1950.8540911222894
2018	2078.446845016889
2019	2306.9428217155873
2020	2496.3709201539764
2021	2746.3468433990483