Year	% of total merchandise imports
1960	1.1766503667481663
1961	2.648320757508507
1962	3.0307716097108397
1963	3.5777646363098756
1964	4.80466472303207
1965	4.09183905433053
1966	3.3660882291448884
1967	4.937638817700325
1968	3.5764595398340897
1969	3.63087434950145
1970	3.445127013116387
1971	4.435574967994578
1972	7.47965094962235
1973	10.314577862211543
1974	17.13663423842021
1975	16.43080911742465
1976	15.819572159496348
1977	15.628893697947404
1978	12.714383762732757
1979	14.745858057959968
1980	20.490786451834573
1981	20.660140209901982
1982	18.114580887532288
1983	18.555465966002885
1984	15.05140415257404
1985	11.196072825394333
1986	9.195653717230675
1987	11.604596919049364
1988	7.157667725727797
1989	6.89106648322811
1990	10.436897582036135
1991	8.342824782407957
1992	9.00133365102202
1993	7.10506435502927
1994	6.109602625300552
1995	7.424850265966093
1996	6.116044811246744
1997	4.644900971613607
1998	3.764425530445465
1999	4.53794763430465
2000	6.8100824939172435
2001	5.905993974622762
2002	5.294435492643687
2003	5.157106412748565
2004	3.5551930409970853
2005	5.735323949080518
2006	6.705527710900798
2007	9.341136016456717
2008	11.31070741845293
2009	6.853852580902855
2010	7.9645961244688435
2011	8.98902968920584
2012	10.087943765727061
2013	8.447333615044046
2014	7.428359774573566
2015	5.176642763181829
2016	3.2752770852650896
2017	3.851923358514267
2018	4.88723987918736
2019	2.9579987422060663
2020	1.8758740263008482