Year	% of merchandise exports
1975	3.21007829086588
1976	5.938231438046612
1977	1.4907968801781941
1978	1.2033858571895535
1979	1.3985342155676466
1980	3.3641641997738505
1981	5.063654143992875
1982	4.01180014540181
1983	3.8204372015849497
1984	0.059599263198421765
1985	0.125344558219144
1986	0.008480031253491968
1987	1.815542377973842
2000	1.2937515418210783
2001	0.03151452181014704
2002	0.6371946760381193
2003	2.3927356324786473
2004	16.064421915442402
2005	7.639923973162295
2006	5.809230065673901
2007	1.0469131556362599
2008	6.763814433199447
2009	2.03426792915357
2010	2.044528458066261
2011	22.211487892716246
2012	4.8733973549592715
2013	7.47720089939804
2014	25.016308785509917