Year	current international $
2000	14.7936394615334
2001	16.3213750974619
2002	18.8660794524575
2003	17.1737683831832
2004	15.6588107914408
2005	14.0583258427088
2006	11.4638233843235
2007	11.2028671564885
2008	10.6569152997624
2009	11.0510916713912
2010	10.9271000780264
2011	16.9430330883188
2012	13.2081992275888
2013	13.9488186793109
2014	15.7257581508678
2015	24.3841290546319
2016	30.0577521340192
2017	8.86105847649139
2018	10.2112935687386
2019	11.7094752437048
2020	13.1041539108856
2021	24.7768721990479