Year	% of total merchandise exports
1960	0.48939641109298526
1961	0.5986743639084883
1962	0.7275388522966981
1963	0.7281115957178387
1964	0.4467134652201659
1965	0.41332194705380015
1966	0.47010569490455906
1967	0.3692677620656094
1968	0.3095711445612042
1969	0.3517440345632927
1970	0.19659678417856008
1971	0.22087677561979363
1972	0.17272270866054693
1973	0.13389772843495157
1974	0.16254137908652286
1975	0.14840845163875013
1976	0.1293873361479954
1977	0.2134313691764421
1978	0.059935422180956474
1979	0.0348955515129523
1980	0.034821088521735974
1981	0.07961319993271608
1982	0.07581837448120994
1983	0.11516639850961133
1984	0.1822338335486042
1985	0.25851008206999
1986	0.2013072556189777
1987	0.5191262799251838
1988	0.3241014722368129
1989	0.13400100402782988
1990	0.2830764230786898
1991	0.3023438097294404
1992	0.35246387436426135
1993	0.7562490317230232
1994	0.8514857697040783
1995	0.6938066257431816
1996	0.6177917840116357
1997	0.8268159028983278
1998	0.9390418946664872
1999	0.5034785630916346
2000	0.5508602158265099
2001	0.4834482999399482
2002	0.48819677193053984
2003	0.5358864989127092
2004	0.5184232307781427
2005	0.6181870319608627
2006	0.76038363834816
2007	0.844219001611444
2008	1.1419243609014453
2009	0.5342282995535075
2010	0.6783107155512508
2011	0.6567573575026218
2012	0.6867438431546162
2013	0.706664766340765
2014	0.501860634796629
2015	0.5209918272598001
2016	0.45153635270562037
2017	0.6886352011199742
2018	0.3780706041022097
2019	0.3714823108587026
2020	0.3377271368632479