Year	% of total merchandise exports
2011	0.46293550917387666
2012	0.5853186870423834
2013	44.09272387902242
2014	21.176923050599655
2015	0.618728933635571
2016	0.5105962668111871
2017	5.750171995429562
2018	2.593564277127735
2019	5.02115786117142
2020	4.825439284763458