Year	current international $
2000	22.9106374646487
2001	24.4240589524238
2002	24.3351694864962
2003	25.8482432154408
2004	30.5786154283608
2005	29.3935808918034
2006	37.3008454141855
2007	41.7102891330191
2008	41.7874487524819
2009	68.2533747390871
2010	62.2493332101881
2011	67.7013312842672
2012	73.5966649620313
2013	70.6358980400138
2014	71.9708467421773
2015	82.1730895034611
2016	81.2227314378902
2017	63.7221870346828
2018	100.744290764493
2019	112.393927838974
2020	103.651796226244
2021	109.313351465116