Year	% of total merchandise imports
1964	2.0957707801549565
1965	1.6348773841961852
1966	3.1514444120221765
1967	1.79974292480862
1968	4.103337433699485
1969	4.338517673543215
1970	4.971068961589249
1971	6.124337483639576
1972	7.7141120706790245
1973	9.853209626011388
1974	8.568825749472246
1975	5.105955202113425
1976	4.594195374316244
1977	3.768114372777619
1978	4.102995921573267
1979	2.7954247466686644
1980	3.070455940161355
1981	3.889381194327468
1982	4.124249732972838
1983	4.124249732770108
1984	2.976873862852771
1985	2.0112469221383797
1986	2.4974820271938856
1987	1.8689285031857177
1988	6.953685682289793
1989	2.867413386399389
1990	8.488819980732538
1991	8.302385250587385
1992	13.219597171978581
1993	2.2657728321268995
1994	5.97937805083679
1995	3.854965484357483
1996	5.3578719067863085
1997	5.776844604213459
1998	3.961933467357544
1999	4.4576189321449275
2000	3.763823806305856
2001	7.799222443263779
2002	7.747625955467933
2003	6.072151433439684
2004	5.55572483985197
2005	7.737383229891257
2006	6.730987402014624
2007	11.585871480121261
2008	9.491920421145995
2009	9.799038285034523
2010	9.504052401974468
2011	14.910131235520858
2012	15.980435010354094
2013	10.860987257315914
2014	14.542332858683402
2015	15.055404884512228
2016	14.759162208690304
2017	17.394649937240832
2018	20.006733414409446
2019	21.831658200888963
2020	26.524951366853394