Year	% of total merchandise imports
1960	3.197300240932044
1961	2.891520244461421
1962	3.449289203981927
1963	5.039944359373742
1964	8.297131453733536
1965	8.684999348982576
1966	8.471897367502105
1967	8.239637366078554
1968	11.048212485817423
1969	10.40617894685042
1970	9.773745006133241
1971	8.581607432937309
1972	8.325054321059405
1973	8.30955334550554
1974	7.608221143514498
1975	5.71629140964353
1976	4.558167509926528
1977	4.423270665904653
1978	3.8731173733694018
1979	4.780086199402561
1980	8.856558829904749
1981	3.3625471182071385
1982	3.837513336525537
1983	4.927320917956817
1984	5.819617230146994
1985	5.7360511866895125
1986	6.403431322460191
1987	7.0230647123303065
1988	7.004771150306792
1989	8.992690822528198
1990	9.680461827773906
1991	9.12976853012954
1992	9.822768535078822
1993	11.262319476931633
1994	13.540644487401272
1995	13.963133967973038
1996	15.833597262521145
1997	15.581563692326778
1998	13.398271793906755
1999	15.36891976536775
2000	18.542519054329514
2001	17.091547677860184
2002	16.195685954516332
2003	17.087312206224343
2004	20.24560979464927
2005	19.01725785748433
2006	17.983807137984194
2007	17.9865968678929
2008	21.099472800136866
2009	20.384453073208963
2010	19.279567811639257
2011	16.27137326194803
2012	15.739199086971572
2013	15.423545414194278
2014	13.803998688049917
2015	12.648150588600748
2016	12.36482215002189
2017	13.234736664817667
2018	14.158704712014627
2019	13.373868950047807
2020	13.97507764159741
