Year	current international $
2000	84.3496310493693
2001	87.3207315026343
2002	89.3087113088472
2003	93.8383127103703
2004	93.5906354466404
2005	90.1046849962952
2006	87.529173343814
2007	87.579878334241
2008	85.7697115498059
2009	88.3095056849805
2010	75.3498373095947
2011	71.7750594843793
2012	72.7613215575659
2013	73.6822388623388
2014	81.6248632877846
2015	83.44129163737
2016	88.0937931190335
2017	94.7173506993165
2018	95.7777058656019
2019	95.5781019823158
2020	92.8979524515896
2021	89.9110668111701