Year	% of total merchandise imports
1960	3.971908283335659
1961	4.209361620243421
1962	2.7899940189283328
1963	5.107258301498677
1964	5.10595180404423
1965	5.67253031448996
1966	4.713192392210351
1967	4.298522223552197
1968	4.837056954980866
1969	4.7485150023266485
1970	5.816366669831667
1971	5.977528709296196
1972	5.931004848953946
1973	4.036666039781484
1974	3.9360847165474095
1975	2.969377190858506
1976	1.9490278176598739
1977	1.6497313112204086
1978	2.3608165386874167
1979	3.7485108323726006
1980	3.818445068537847
1981	2.4167081208512236
1982	2.6503715833530976
1983	2.7095325478316217
1984	3.6426001051020562
1985	3.766718720588095
1986	2.863611997194105
1987	3.6847641794407915
1988	3.210051784742189
1989	4.305634686099536
1990	3.7185830055470515
1991	3.368130307495766
1992	3.9856242396990877
1993	4.357507539624099
1994	5.236479164201737
1995	4.783961346632952
1996	4.523732612571256
1997	4.479851404726807
1998	3.4843725087238284
1999	3.5280488473240363
2000	5.274477476180587
2001	5.448782680112442
2002	5.940990182921339
2003	5.702147289508121
2004	7.013480993190058
2005	5.0717450738595415
2006	5.636339987060027
2007	6.914780554593731
2008	8.095534442420108
2009	8.921950755616443
2010	7.704934068263854
2011	4.987902339572105
2012	5.029900920447909
2013	5.1024205010545565
2014	4.559651313557491
2015	3.925337954623404
2016	3.5486613326262977
2017	3.9660498671488265
2018	4.173209991754708
2019	4.250445625630366
2020	4.418969796727831