Year	% of total merchandise imports
1960	0.9188055527813842
1961	0.9281382098878882
1962	0.9640522875816994
1963	0.9033353922174182
1964	0.8267851042022548
1965	0.6843065693430658
1966	0.7435968052877995
1967	0.7640987626161829
1968	0.7489160425699646
1969	0.6611701915800374
1970	0.6310306834496344
1971	0.5960168629161215
1972	0.6513431786042434
1973	0.6775450285133533
1974	0.5876588762353049
1975	0.5512789538247146
1976	0.5423374973053315
1977	0.4927230417291157
1978	0.47651888341543513
1979	0.443166673966226
1980	0.4104983749222037
1981	0.5071818215100741
1982	0.552319406808571
1983	0.5963746697706049
1984	0.6792556424887739
1985	0.7348301277197233
1986	0.8586802338667043
1987	0.9995357311795933
1988	0.9460079748699792
1989	1.000378094066291
1990	1.0897496351312732
1991	1.095154093678382
1992	1.186628294328691
1993	3.572955336958756
1994	3.900843797737109
1995	3.8945791950983772
1996	3.999267846523216
1997	4.1082075054093625
1998	3.7211900075658186
1999	3.8279752135537146
2000	4.441050483984903
2001	4.502765632406188
2002	4.4935895903459215
2003	4.663407654197679
2004	4.911431794065878
2005	5.616478960159562
2006	6.2585415196242655
2007	5.99000351176777
2008	6.9011767689920385
2009	5.86271014177947
2010	6.156448069341681
2011	6.801905467888446
2012	7.035041515209207
2013	7.269002682515896
2014	6.9285484726513635
2015	5.701883538477638
2016	5.38150691025556
2017	5.635050533661246
2018	5.922217062405108
2019	5.3600063719022994
2020	4.624824943867264