Year	% of total merchandise imports
1960	6.982543640897755
1961	6.082725060827251
1962	3.8461538461538463
1963	2.1696252465483234
1964	0.87527352297593
1965	0.8818342151675485
1966	0.6666666666666667
1967	0.516795865633075
1968	25.898819870094226
1969	27.408900640165378
1970	30.032747980153445
1971	23.39339960496591
1972	27.913252357340017
1973	40.93554658660235
1974	38.1654416251279
1975	34.40617975813915
1976	50.48478873942449
1977	57.430855976279595
1978	28.85822864224703
1979	33.60668826132579
1980	30.940554544500852
1981	42.41028045583881
1982	33.553798196165744
1983	35.7943748677934
1984	37.29023780062132
1985	33.459899297199335
1986	33.57078165511594
1987	18.424962892632305
1988	22.24338809953922
1989	21.253362835827886
1990	38.16383370919992
1991	14.773058233007264
1992	22.820016593955174
1993	30.51459283307939
1994	40.386624742422846
1995	39.97619692382083
1996	45.141553954945714
1997	44.19786004546621
1998	45.190817906059515
1999	49.67736378363764
2000	39.799851697610464
2001	36.91356544680469
2002	40.4561710597025
2003	35.0201664548395
2004	33.70130151881981
2005	35.18759032688468
2006	24.25732443263795
2007	22.11812604596291
2008	20.359387231207126
2009	19.35098521844594
2010	18.648742246232207
2011	17.992542891028968
2012	16.76321815140272
2013	15.470395017655514
2014	16.38360773604277
2015	16.797281720689767
2016	16.110948158602067
2017	15.493989996519698
2018	17.581007133863036
2019	23.826770262549502
2020	27.005206872956787