Year	current US$
2000	1.81067227
2001	0.41710031
2002	0.76497571
2003	0
2004	0.25685132
2005	0.99122188
2006	0.92543306
2007	1.01532931
2008	1.29696665
2009	0.16778674
2010	0.91767198
2011	0.38127039
2012	0
2013	1.73080448
2014	0
2015	0
2016	0.11009792
2017	0.17940825
2018	0.82484336
2019	0.37249128
2020	1.18831477
2021	0.99658333