Year	% of merchandise exports
1966	0.07212309877053617
1967	0.07492626081503363
1974	0.06545705979401849
1976	0.00012040263926866259
1977	0.001209598456846415
2009	0.13797680248695393
2010	0.2752445415107383
2011	0.30578638842550704
2015	1.065252728193383
2016	1.1245220863871657
2017	0.8380914324031395
2018	1.2098843829940908
2019	2.199920941923848