Year	% of total merchandise imports
1960	3.2902925909365304
1961	3.353309276482165
1962	3.3908646284922193
1963	3.439951232818754
1964	3.4873084536504924
1965	3.47681897767848
1966	3.3167082562940977
1967	3.368332495839907
1968	3.5544273382323475
1969	3.409499309798305
1970	3.2465814486750335
1971	3.4576666019394646
1972	3.1807124980483943
1973	3.3367844966942997
1974	6.067959065990966
1975	5.8926884231627215
1976	6.093973716001204
1977	5.890964586952937
1978	5.34153178272694
1979	5.363683325077458
1980	5.255672563829599
1981	3.7444979188139285
1982	3.8654344198837167
1983	3.959846019383896
1984	3.3284712440807427
1985	3.30676887296743
1986	2.010844072443335
1987	2.0424666845686312
1988	1.635163236775902
1989	1.8180589558994982
1990	2.072604667093418
1991	1.7725153836651055
1992	1.6202067674958063
1993	1.5666285099513646
1994	1.4030626619976703
1995	1.2973179519829487
1996	1.3852998688500167
1997	1.3486655855479615
1998	1.1522502914192336
1999	1.3450985929142405
2000	1.6764643019103902
2001	1.5942320420472822
2002	1.4482605773771342
2003	1.5603472854295675
2004	1.6994787100155186
2005	1.965360293304956
2006	2.142377258117681
2007	2.1010083392067833
2008	2.5005086880902305
2009	1.9704868055083808
2010	2.0978914597157416
2011	1.953482799161075
2012	2.0733880802464117
2013	1.7109884009691205
2014	1.4846505569802617
2015	1.1264263469712699
2016	1.1597051647746568
2017	1.366928644197042
2018	1.4494794730655454
2019	1.2772590700640416
2020	0.8891083855894097