Year	% of total merchandise exports
2000	0.06999314913705312
2001	0.1030487725990054
2002	0.3149728841809866
2003	0.1664296928885733
2004	0.08865478441920957
2005	0.6318209434524612
2006	1.3972164232738906
2007	0.6157554196490379
2008	0.25262346865263685
2009	0.12443901871405647
2010	0.5180779779738974
2011	0.25180064280576475
2012	0.10636932022617156
2013	0.19873067207695277
2014	0.22460739774728633
2015	0.6908708640692962
2016	2.171180341582837
2017	4.09709850846105
2018	1.9421465878594697
2019	3.4489327889732997
2020	2.0721010745951793