Year	% of total merchandise imports
1963	1.3333333333333335
1964	1.8461538461538463
1965	5.10752688172043
1966	5.555555555555555
1967	5.934065934065933
1968	4.406592302281178
1969	2.7803843172453186
1970	2.953774457732241
1971	2.6173737223840177
1972	1.6982125617997252
1973	2.2262913300960747
1974	1.7344255663430421
1975	1.8457663472323342
1976	2.920702299023529
1977	1.4570665686439683
1978	2.2354738360587096
1979	1.240403425733282
1980	1.7274515677242295
1981	3.4577507598784196
1982	6.038358256333702
1983	1.3757768101879178
1984	4.5682464106899525
1985	5.776250250226737
1986	2.8426061669828657
1987	3.8185186370788062
1988	3.317823535713745
1989	3.835195385335484
1990	2.667901105867929
1991	1.8177283385675667
1992	2.9190869062122147
1993	4.052909808880254
1994	2.9806831260334454
1995	2.243705456742024
1996	4.674065017796631
1997	9.40728846565088
1998	6.5538825448589355
1999	9.691475665181711
2000	3.479396024550247
2001	8.110675099641066
2002	12.110577424434654
2003	11.749579582662372
2004	11.257857543537341
2005	12.541071941394469
2006	16.149411764056477
2007	10.3716963871637
2008	21.002734756717647
2009	36.657376984116276
2010	47.28407872057198
2011	30.238133472273876
2012	26.28256547018402
2013	29.795414008827414
2014	29.266548381529223
2015	27.73507291992526
2016	25.569764613898016
2017	27.23262033896068
2018	32.169635330561064
2019	44.912011211892796
2020	41.61620237218971