Year	% of total merchandise exports
2006	0.8396646873798258
2007	0.18272114754198293
2008	0.43307302311855966
2009	0.23988567026360283
2010	0.45302566180527964
2011	2.219336097969719
2012	0.5787028358248023
2013	1.6909298027859627
2014	1.8269317629575497
2015	2.264874570305972
2016	0.8169316696646856
2017	0.7232204871524803
2018	0.312013337887808
2019	0.466194129069705
2020	0.8898946401770979
