Year	current international $
2000	5.91145918965544
2001	9.61149429755348
2002	18.8048795472927
2003	9.91359693581183
2004	6.84442075130046
2005	6.02647624055486
2006	4.04621668065083
2007	7.11982552449055
2008	8.45737382943286
2009	4.64936979262278
2010	3.74736283839341
2011	3.10035751961704
2012	8.55945243320959
2013	3.67158366203055
2014	48.7667529055555
2015	62.4736555897262
2016	5.72540091364185
2017	7.12354906202085
2018	9.73685203633131
2019	9.40642120350844
2020	6.97133265732786
2021	15.3887436970016