Year	% of merchandise exports
1977	0.002460675752825804
1978	0.4730333725888098
1979	1.4729907784907383
1980	0
1983	0.08169123150026437
1985	0.0471341011641925
1986	0.017794150063913182
1987	0.0003708900276866074
1993	0.13071336315559476
1994	0.5447310355670512
1995	1.3125224365720585
1996	1.6695793005153312
1997	1.8494467575167997
1999	2.8253733175542073
2000	4.224879922598255
2001	4.2782841019497235
2002	3.740476966781605
2003	4.389731832061481
2004	5.616330758637329
2005	6.889835928266465
2006	6.856947333446574
2007	10.638794696055166
2008	14.235108618332848
2009	8.13231955829599
2010	6.703707793850942
2012	12.248532370689903
2013	8.530384034370007
2016	11.828881560945888
2017	8.1747999022035
2018	6.268656311277843
2019	3.0907330308303576
2020	2.1468943746165254
2021	5.728872397066084