Year	% of total merchandise imports
1963	0.5560704355885079
1965	0.5943536404160475
1966	0.6102212051868803
1967	0.39548022598870053
1968	0.05470459518599562
1969	0.43629171433557623
1970	0.5714427379668539
1971	0.45782263878875273
1972	0.41258533689522114
1973	1.010964060586144
1974	0.6979860860178658
1975	0.39959122468949443
1976	0.4583073335741732
1977	1.2980599108490722
1978	0.5868387422615723
1979	1.2153154331200666
1980	1.9206101598848093
1981	0.6767351827094474
1982	0.23514811604716515
1983	0.8404010772148555
1984	0.9493462100152104
1985	0.3516763955343343
1986	0.1988553849946467
1987	2.1758684348872506
1988	1.7023675304422625
1989	1.6784337131772595
1990	2.9421283015162447
1991	1.4532095009496908
1992	1.1000899955073191
1993	1.0994472701968447
1994	3.5682365933826294
1995	2.1330896983637695
1996	2.065907585024145
1997	1.8606227169586673
1998	1.4915251159981062
1999	2.05823509767283
2000	1.076912104615892
2001	1.2685053599304228
2002	1.5287599324096388
2003	1.8877192598588561
2004	1.3470772754193903
2005	1.9457512173657134
2006	2.9886979358495016
2007	4.130699765058323
2008	3.4645158056577854
2009	3.6793735877779365
2010	3.043058306017758
2011	3.3963096607840435
2012	4.267446052808434
2013	5.264788770067001
2014	3.1024274696904577
2015	3.983632552309071
2016	3.4531102435644514
2017	3.851156603076311
2018	3.0110977440169324
2019	4.211744993613007
2020	4.535041888677652