Year	% of total merchandise exports
1999	0.11013215859030838
2000	1.4925246392774216
2003	0.0025797210508415967
2004	0.010015479284904906
2005	0.007888869060876026
2007	0.012038174809163199
2008	0.0003094139377928435
2009	0.01572183057022724
2010	0.003280582161623934
2011	0.001473524081618612
2012	0.031142996045430527
2013	0.226850944062681
2014	0.20064340672868272
2015	0.04039783506924273
2016	0.035857149209094094
2017	0.01627609287103672
2018	0.005839713258025863
2019	0.05171530035144842
2020	0.0001909933213285377