Year	% of merchandise exports
1962	3.668793956409349
1963	1.3585407465656565
1964	1.7720688908759707
1965	2.337791671498433
1966	2.177674180812673
1967	1.4152208879143802
1968	2.4218812797791456
1969	3.102483071021606
1970	2.7199371691437024
1971	2.761297547498505
1972	6.0033126036914775
1973	6.6881748433507315
1974	10.844052080039903
1975	8.382019225997011
1976	2.053345690790036
1977	2.5415421735123203
1978	1.7535140709335328
1979	1.0688968698501295
1981	2.0978361483394004
1995	0.8538903335838097
1996	0.52488527155314
1997	2.180993360863018
1998	1.7766294156233178
1999	2.2126930920764276
2000	9.40050339845421
2001	6.988445253549035
2002	8.852801356417876
2003	7.185474325049294
2004	10.71956312862533
2005	17.3266573156401
2006	18.263191877728023
2007	10.083519713402497
2008	5.059685215267887
2009	4.453297277667268
2010	11.874698389386424
2011	5.788511897247686
2012	2.868731465226844
2013	6.934241022548473
2014	11.520898425676238
2015	9.484287870415306
2016	9.035465114317253
2017	11.119297084073652
2018	7.680968740666554
2019	4.675100170759949
2020	10.144270546478886
2021	5.363362261382369
2022	10.088446587841974