Year	current international $
2000	168.416651059431
2001	176.052603728033
2002	178.718029090013
2003	184.718842751603
2004	196.097331918647
2005	250.835216113342
2006	221.907263489414
2007	242.478144509441
2008	253.203899031322
2009	243.85406784015
2010	247.589831252171
2011	262.265856781033
2012	263.58606359352
2013	279.76737440513
2014	273.440161209383
2015	293.662919349168
2016	304.685613136711
2017	330.10963282369
2018	339.650116898505
2019	384.860832816693
2020	276.905077989345
2021	328.192098284548