Year	% of total merchandise exports
2006	0.9366615663198467
2007	0.2823185220666167
2008	0.6642419222102438
2009	0.48320613569799287
2010	0.8645933999851514
2011	2.41285505498327
2012	1.706636042353258
2013	2.9721157749478375
2014	3.651372067758195
2015	6.275357756241766
2016	7.973479194452085
2017	2.951923933231506
2018	4.24411708390504
2019	4.9090265724307365
2020	8.281257086376005