Year	current international $
2000	245.88532882197833
2001	262.60215719888487
2002	288.52790706101956
2003	306.2993504014155
2004	329.5891492376737
2005	357.8679225913606
2006	398.67084033145073
2007	435.349010701815
2008	493.4266728833767
2009	558.8419997406999
2010	578.1420624253738
2011	621.6259209752533
2012	678.6319592160714
2013	735.4284697869887
2014	776.5955981100408
2015	803.0455544207146
2016	834.9966595129164
2017	889.4018410846174
2018	964.1643883409529
2019	1056.9474076719985
2020	1160.7851532878972
2021	1256.8693864478846