Year	current international $
2000	147.865676550963
2001	165.811722511591
2002	172.089220607993
2003	187.99856947059
2004	184.936384646628
2005	204.237794313772
2006	199.161450675531
2007	211.792257698178
2008	220.876930890442
2009	253.683426012093
2010	264.245832539591
2011	277.483470108427
2012	305.468202580144
2013	362.401163610817
2014	408.059150218614
2015	458.029011636103
2016	501.964214506376
2017	535.11279924394
2018	572.471544838525
2019	612.248239897842
2020	649.870976734137
2021	721.816978634995