Year	% of total merchandise imports
1961	0.7472724555372889
1978	4.768246217585913
1979	5.441669772642564
1980	3.2991540630607536
1981	3.8149834724116407
1982	4.145806349290265
1983	6.044662636578681
1984	3.0023041297094024
1985	3.6970164923893956
1986	3.073108509684486
1987	2.394806432730949
1988	3.4710516854825744
1989	3.5577466612497735
1990	2.50472342287794
1991	2.0715084814526876
1992	1.6864668131856406
1993	1.486313412527623
1994	1.6870559867249755
1995	1.9766856079235489
1996	2.204146125556859
1997	2.262919325000176
1998	1.789466823378566
1999	1.3328310744759169
2000	1.7166399467081161
2001	2.1111640739509046
2002	2.2058377335499593
2003	2.8929863590699476
2004	3.050427846814703
2005	3.0594852787480193
2006	3.2033680775259006
2007	3.8905939315349984
2008	4.677934483002332
2009	4.576740280309596
2010	4.646191039378439
2011	4.86559686786147
2012	4.8158941040201615
2013	4.586173957266712
2014	4.637153914197371
2015	4.713159818012686
2016	4.742988373409837
2017	5.186012293014142
2018	5.620481444965629
2019	6.2147902926605285
2020	6.422427571277413