Year	current international $
2000	25.502560085517
2001	34.8104648118052
2002	35.3334818388629
2003	28.6140095413484
2004	27.5656034579599
2005	27.8772499743925
2006	32.0088796191616
2007	38.5045178036292
2008	43.48210501609
2009	48.5259367355862
2010	48.9203965899957
2011	51.4139074022197
2012	51.7836733678176
2013	45.9293284525698
2014	65.5910165997725
2015	70.0859235183306
2016	56.9592180055086
2017	85.2398321219648
2018	73.2432910832438
2019	79.3728226668304
2020	120.855816192506
2021	100.15387704186