Year	% of total merchandise exports
2006	0.13472394848024463
2007	0.29094774656720496
2008	0.1799900489527228
2009	0.16425799408620217
2010	0.4528185119295855
2011	0.22282650195742276
2012	0.08287317519399728
2013	0.3135971667788954
2014	0.1437672407609802
2015	0.30532709494266735
2016	0.34462342622189135
2017	0.351214112438314
2018	0.25940955218903733
2019	0.12645023031919658
2020	0.12127985803493224