Year	% of total merchandise imports
1964	0.684931506849315
1965	0.8620689655172413
1966	0.7633587786259541
1967	0.37735849056603776
1968	0.1885014137606032
1969	0.19803991265932058
1970	0.1043880252022518
1971	0.28349534843816443
1972	0.2664401810971308
1973	0.6406754972916382
1974	1.3690516148648917
1975	1.2226502828802672
1976	2.1906681441600973
1977	0.859815107906796
1978	1.7366990464307994
1979	1.2473011014239253
1980	0.5422561093357753
1981	0.2286112039962603
1982	0.1648760389693996
1983	0.28471143517723585
1984	0.23220475806068663
1985	1.276722618772139
1986	1.2767226186551879
1987	4.151027134164701
1988	0.5183633658159429
1989	0.6521868859175345
1990	0.9430268742433636
1991	1.6716531109656028
1992	3.86766673496452
1993	1.7608713651592136
1994	2.8754980248286857
1995	2.470730212358584
1996	1.6556517615681272
1997	1.9005704622965958
1998	2.3233247606417375
1999	2.994843977824007
2000	3.46255583117739
2001	3.1851436543974194
2002	4.047794169929658
2003	3.8509422151969597
2004	4.6855400104435105
2005	4.660367705796638
2006	6.113575728714134
2007	10.01298949140222
2008	6.6135027713761465
2009	6.283937844774784
2010	7.320252851970579
2011	7.316436768674136
2012	10.899156080535906
2013	10.451246091176177
2014	9.303217358252992
2015	9.070404011333512
2016	8.48584496946355
2017	9.739917894342504
2018	10.06740041345391
2019	8.05939858506754
2020	12.14755396639331