Year	% of total merchandise imports
1960	3.466204506065858
1961	4.197445633413876
1962	5.183718071301735
1963	5.598102338190444
1964	5.195526294915523
1965	4.917434540644102
1966	4.843019372077488
1967	7.047060232307508
1968	6.75226090623682
1969	5.883678691219558
1970	6.344365282701014
1971	8.526088131927548
1972	9.272322063238528
1973	11.105444509205608
1974	20.42506909684286
1975	20.863053175311446
1976	24.2625497889262
1977	25.466840903638
1978	24.168136913650446
1979	27.452735820998775
1980	30.521493837641295
1981	32.70379591623115
1982	35.48507896579138
1983	33.908950997511134
1984	27.726528296354154
1985	22.43718982089315
1986	15.103106037231306
1987	19.92990251238948
1988	19.41373818241638
1989	16.804580015473356
1990	15.8519400474399
1991	9.263604955424775
1992	10.446619539640132
1993	9.704350548930893
1994	6.208994746103594
1995	4.069257522797455
1996	4.233650344458327
1997	3.69629373238326
1998	2.696675091892363
1999	3.77783303386506
2000	5.096973534253232
2001	4.181840907872617
2002	4.996448271849613
2003	5.585295809088999
2004	6.598143969679067
2005	7.224256127551956
2006	5.9657038908520805
2007	5.280313587330023
2008	6.0453965919927635
2009	3.8925595409904785
2010	3.8348025762243427
2011	4.412960855186334
2012	4.972149599353893
2013	4.7575746899435405
2014	4.988550560122568
2015	4.161308972510784
2016	3.705437522919338
2017	4.289432920479152
2018	4.2552835296842595
2019	3.943762997010225
2020	3.374941373783901