Year	% of total merchandise imports
1960	2.203856749311295
1961	0.5561735261401557
1962	4.6706586826347305
1963	3.614457831325301
1964	0.802407221664995
1965	1.2104283054003724
1966	1.7000000000000002
1967	4.793756967670011
1968	2.6815642458100557
1969	3.5147809090012463
1970	3.136515842433828
1971	3.3690536336320367
1972	3.3868823121116582
1973	3.145375628597105
1974	4.868723143855135
1975	5.52026611051986
1976	5.783086501555011
1977	5.0949331259260715
1981	5.094933125267445
1982	9.895815955423576
1983	4.243952706367285
1984	2.5812383934420318
1985	5.770252238013188
1986	2.6877965208223507
1987	2.581238393967044
1988	2.5812383929122027
1989	2.5812383928949103
1990	2.841746666316659
1991	3.9811536464497506
1992	4.263542195580032
1993	8.837928662891805
1994	6.432800045136405
1995	4.6499269025118615
1996	6.767440108631971
1997	4.641207198552967
1998	5.217029935225318
1999	5.013984218603666
2000	2.4985945869574295
2001	2.015997022933763
2002	2.1057509083257
2003	2.125429684813426
2004	4.090940890572134
2005	4.4544406388498246
2006	5.449022440335883
2007	7.346406063048275
2008	8.460331819753275
2009	7.704970228493107
2010	9.625047107281917
2011	9.767243900118894
2012	9.989848120396845
2013	7.42487059779869
2014	9.05935345098862
2015	12.511251113686129
2016	16.054950843773298
2017	21.023208148088532
2018	23.618113908397127
2019	15.064566838226451
2020	17.49402911540877