Year	% of total merchandise exports
2000	0.22955619153742532
2001	0.650611410029878
2002	0.4918907936897071
2003	0.4720556151547316
2004	0.0852647908138052
2005	0.10174775489181856
2006	1.990421501842143
2007	0.041364948068946646
2008	0.07835924911933922
2009	0.24464261561213796
2010	0.18722871616057946
2011	0.22479296162652576
2012	0.6182608280590465
2013	1.1978502055813047
2014	1.6946107685481135
2015	1.9744297465596223
2016	3.9988117444737106
2017	9.558256031153903
2018	8.388155571672321
2019	8.366877135844131
2020	6.831149596635446