Year	% of total merchandise imports
1960	3.244661129155101
1961	2.9295126439599675
1962	3.4116662139066585
1963	2.4637762161188
1964	2.5969867556890622
1965	1.9956290449455183
1966	2.2507662414121583
1967	2.2387056892149286
1968	2.6766789705879863
1969	3.3205700904748983
1970	2.624707820383412
1971	2.772473295315832
1972	2.6446878005802312
1973	2.825091356614934
1974	4.37197028433606
1975	3.5719807515754285
1976	3.437257769196312
1977	3.560713546969877
1978	1.9473024328088073
1979	2.3636951542245193
1980	2.215547032658955
1981	1.5206213280822862
1982	2.1757672994322643
1983	1.9703015171981888
1984	1.7894114631097797
1985	1.3106308450030375
1986	0.9671769455767882
1987	0.8903296406995239
1988	0.9275018618038348
1989	1.1656587480443665
1990	1.886121808116269
1991	2.1338867151279013
1992	2.2348149910967536
1993	2.0054864591617516
1994	1.8871558661431107
1995	2.007434948438766
1996	1.7933830786848741
1997	1.9100586751087512
1998	1.0335066102016204
1999	1.1269162530006396
2000	2.2872149183790116
2001	1.8784719514016626
2002	2.2360431558832197
2003	2.2415111733036928
2004	2.5112631037668467
2005	2.7794391490758734
2006	2.642230500180952
2007	2.3080129825301965
2008	1.82776534106791
2009	2.0601515982663
2010	2.59197521356631
2011	2.3048747741467963
2012	2.029333755216137
2013	2.0105831901285507
2014	2.5078189205740538
2015	3.1767819052062394
2016	3.0628814369180573
2017	3.1883153230304155
2018	2.9966596836352943
2019	3.5309544941641047
2020	3.076322984146362