Year	% of total merchandise exports
2007	0.8408819186217125
2008	1.17626982028532
2011	0.008095409682725936
2012	0.8626273024204276
2013	0.8495777547822051
2014	0.00041878834393014783
2015	0.0006515757917705472
2016	0.02768233480870199
2017	0.042968812611220514
2018	0.01690873497297931
2019	0.0006775526387036051
2020	0.5137506824387646