Year	% of total merchandise exports
2000	0.6854574771431335
2001	0.9033600543114003
2002	0.8743811960936033
2003	0.8809710215030863
2004	0.45313541963885917
2005	0.2541503444215837
2006	2.3048258458499005
2007	1.3491544850818251
2008	1.3715486442660862
2009	1.517455812431524
2010	1.072002779028838
2011	4.941515676287995
2012	4.402961279492628
2013	8.20633478014581
2014	10.069295728055245
2015	11.979067498080829
2016	19.31810507835796
2017	28.850909450041
2018	28.777247928897353
2019	26.615943129758858
2020	27.6348022172076