Year	% of total merchandise exports
2000	28.47334404027449
2001	0.27695869274586704
2002	1.0093799913291839
2003	1.097807607104209
2004	2.501886846233176
2005	2.242769231942807
2006	78.04400503724369
2007	30.472724693122643
2008	0.8749156599676252
2009	1.11213322334178
2010	1.9284567479422619
2011	2.8597895259287
2012	1.7123294897694339
2013	4.787982620293417
2014	2.1357336002659575
2015	4.07341470998069
2016	5.0988481617810955
2017	26.260506369508796
2018	3.8324807112622103
2019	11.024799504969081
2020	11.850441603985349