Year	current international $
2002	87.3965523641741
2003	86.2603357912505
2004	93.9529659861385
2005	105.886760059439
2006	118.306464039859
2007	112.267667410522
2008	137.703508409103
2009	153.543238667827
2010	148.761103454395
2011	147.339169404665
2012	155.383025864167
2013	178.07901916923
2014	202.261555308607
2015	215.725233301209
2016	239.188747458965
2017	264.543988949921
2018	299.787491486803
2019	321.499080608947
2020	322.499309745329
2021	363.611184950015