Year	% of total merchandise exports
2006	1.7243770744840137
2007	1.6909752373702225
2008	2.550870622276143
2009	4.871461919416175
2010	2.946036463809013
2011	2.409121979976268
2012	2.5536392479528
2013	2.140988225683674
2014	2.19072623630016
2015	2.6518904016695037
2016	2.617414510283786
2017	2.5152668056619145
2018	2.5625484243332846
2019	3.915640301572281
2020	4.813519144721355