Year	% of total merchandise exports
2001	0.1182669178670147
2002	0.0012997896829966985
2003	0.1917750623197953
2004	1.51753806727178
2005	0.5591808456121549
2006	1.2464158773140026
2007	0.19666306239648912
2008	0.24143379766780843
2009	0.1342696977101737
2010	0.760004647322327
2011	0.9112647334300349
2012	1.048091891547471
2013	0.6291835754423144
2014	0.5196562425606133
2015	0.43961415356212685
2016	0.11704318740470307
2017	0.013179710009252343
2018	0.007293757988425046
2019	0.03728128111703058
2020	0.0028819940322305664