Year	% of total merchandise exports
2006	0.28786076647459896
2007	0.15357277037094283
2008	0.18811114925863548
2009	0.5401972741991926
2010	0.6493011952625664
2011	0.3854139774000118
2012	0.4490946550926083
2013	0.34827989914025553
2014	0.6208678848962165
2015	0.6534748849487744
2016	0.5239726549324895
2017	0.30751337968044923
2018	0.3438005427601131
2019	0.35867285061775583
2020	0.42630733867894816