Year	% of total merchandise imports
1960	1.530612244897959
1963	0.7575757575757576
1964	2.0338983050847457
1965	0.7352941176470588
1966	1.7241379310344827
1967	1.8223234624145785
1968	1.2886597938144329
1969	2.4065023374415637
1970	2.249098238913643
1971	0.5843922320786381
1972	1.1900894781915365
1973	0.9972133757961783
1974	2.0504076770061426
1975	0.5729852978191025
1976	1.2599578793150812
1977	0.5327582926365193
1978	1.1862587224906065
1979	0.4094165813715456
1980	0.024074402574694002
1981	0.06883514496476052
1982	1.1943232020964842
1985	0.37109942237568166
1986	0.37109942241026195
1987	0.16177269641270806
1988	0.1695848774625087
1989	0.5533563378595368
1990	0.16111927976342183
1991	0.2541596229851093
1992	0.368512878765198
1993	0.42943809758562346
1994	0.3059588985067692
1995	0.47179130507769224
1996	0.5775838185616606
1997	2.435195752083173
1998	1.293968001061633
1999	1.8119962634238678
2000	1.3900192007192214
2001	0.8220327040103328
2002	1.0317604509333282
2003	1.0438005775851649
2004	0.9334697465195777
2005	0.8332430515483529
2006	0.0957910795821275
2007	1.5314647764722835
2008	1.9567558648068542
2009	2.593969133674987
2010	3.1640267126276314
2011	1.717816856188064
2012	2.342153281477166
2013	2.2893248868694127
2014	1.6326677375817906
2015	9.0494171527801
2016	0.5996902518823871
2017	0.9239114212346874
2018	0.424813535868712
2019	0.26518554251119686
2020	0.20476423355003034