Year	current international $
2000	284.26246005358905
2001	304.31457389446
2002	333.2912349344131
2003	367.26329641761436
2004	410.54223121630645
2005	452.10658411180776
2006	514.0961233252161
2007	553.4022146656258
2008	593.0496518528713
2009	615.4626641241508
2010	634.34356740825
2011	664.0243118894259
2012	708.722366566976
2013	761.3415802941885
2014	779.9040430452435
2015	795.2449179695969
2016	841.939818315134
2017	863.2378210492657
2018	884.0733580712335
2019	932.0219277973739
2020	1016.8544283820174
2021	1136.0843299904877