Year	% of total merchandise imports
1960	0.9512485136741973
1961	0.8394543546694648
1963	0.46339202965708987
1965	0.3714710252600297
1966	0.6102212051868803
1967	0.5649717514124294
1968	0.38293216630196936
1969	0.7858098543755212
1970	0.8115065346109189
1971	0.9516943042537852
1972	1.0890142145707595
1973	2.5719236399486154
1974	2.760841425428466
1975	1.1014223644178458
1976	2.405497717494827
1977	1.7359228342968862
1978	3.2234521231414384
1979	2.194160754261356
1980	2.1764728813360055
1981	2.311232731729055
1982	1.945053337971298
1983	1.849323980647985
1984	0.9258978579083357
1985	1.417792725249369
1986	1.2173253983500183
1987	1.235402370319138
1988	1.3507773782759274
1989	1.5140615551349612
1990	1.5526783884557023
1991	1.983206654104245
1992	0.8944322970097692
1993	3.834638000068349
1994	2.889385418306439
1995	2.3062957138573146
1996	2.4154319891885896
1997	3.120938916565461
1998	3.4100265141936204
1999	4.00676011342081
2000	3.9127066706422604
2001	4.567109337093919
2002	6.231899135093786
2003	7.835160610733811
2004	8.222942364331551
2005	9.308012449081081
2006	9.743208538162826
2007	14.232641424577427
2008	16.489691781048993
2009	20.857520701929772
2010	15.925176829960977
2011	18.344359947601234
2012	16.195585069456133
2013	20.695501002348625
2014	24.137345460868058
2015	25.300426408027782
2016	27.89355336251338
2017	25.27893691782941
2018	23.985532197095743
2019	26.941529588013708
2020	27.59449840636638