Year	current international $
2000	5.94110779164086
2001	5.91969066709497
2002	5.97330715856281
2003	6.06736039271944
2004	3.97108919172736
2005	3.61420237813259
2006	16.2059469789612
2007	11.7762671879317
2008	24.5324372792346
2009	7.60761757778123
2010	6.66830196812554
2011	0.0521545934767982
2012	0.707486666294479
2013	1.45544687431567
2014	2.03326656949301
2015	1.92633953324235
2016	1.74315650991093
2017	1.39631359729901
2018	1.906809848016
2019	0.729906908921326
2020	5.49111076819984
2021	28.202852646709