Year	current international $
2000	415.603143490033
2001	386.0697865391
2002	327.841160663341
2003	355.218204199458
2004	377.060518235213
2005	384.595515633493
2006	427.352737399097
2007	458.211546121421
2008	494.19190882049
2009	538.55675979619
2010	592.174525344438
2011	662.827607294076
2012	709.403846737202
2013	727.234098040459
2014	822.520615695209
2015	832.190350379242
2016	869.435602962316
2017	899.103365166989
2018	956.393267911478
2019	1015.69879888063
2020	1078.12696437341
2021	1221.83271137587