Year	% of total merchandise imports
1963	3.6363636363636362
1964	6.422018348623854
1965	1.185770750988142
1966	1.636904761904762
1967	1.0139416983523446
1968	1.1097318237270721
1969	3.359860560053207
1970	1.9081269017245197
1971	2.170926668441071
1972	1.0734447032212926
1973	2.7138816983409026
1974	7.585525503272818
1975	4.412353668269605
1976	5.000922612694427
1977	3.015443495941037
1978	2.4857909238101894
1979	2.6978930948876245
1980	2.546805332804242
1981	2.7433800318571655
1982	2.5784139252338996
1983	2.700971356107254
1984	3.649968915188393
1985	3.7511128981303314
1986	2.9086251259368012
1987	2.2371421696039984
1988	2.761406891342589
1989	3.0573794538360355
1990	3.620154146997032
1991	3.1870087162985485
1992	3.47240915211005
1993	3.8089141398664985
1994	4.680951392753811
1995	4.954279403553931
1996	5.148645039029163
1997	5.388972091323453
1998	5.712413878374373
1999	6.179800020279867
2000	6.397777681692964
2001	6.669539289219675
2002	6.908036899230692
2003	6.283886722529414
2004	8.946410562467092
2005	10.720581197645693
2006	11.908492111275116
2007	16.060560694798724
2008	14.331518222875312
2009	15.334283420269173
2010	27.133915042178064
2011	20.39719195339159
2012	16.950884155273737
2013	16.85328405635563
2014	19.23298126435665
2015	25.08584716596006
2016	23.638844801202744
2017	21.6093335793846
2018	20.75294454853485
2019	20.31949230090274
2020	20.140666840290258