Year	% of total merchandise imports
1964	0
1965	1.1235955056179776
1966	0
1967	0
1968	0
1969	0.8699902248289345
1970	0.7462686567164178
1971	0.7575757575757576
1972	0
1973	0.27158922130277957
1974	4.493971501644136
1975	0.4170541324992146
1976	0.7158776254474235
1977	4.584118698951235
1978	2.7299329555135756
1979	1.9768549652544272
1980	2.662022242106609
1981	3.5659469205895062
1982	1.59721943183188
1983	1.3924573995651839
1984	1.597219435753639
1985	44.69008104978773
1986	38.70703764320786
1987	38.7070376456867
1988	38.70703765298084
1989	38.7070376467078
1990	36.21923807889601
1991	0.3636127958900654
1992	4.871168322034725
1993	5.372789604069361
1994	2.393902135962532
1995	1.0338877268261646
1996	1.1390287568406656
1997	1.0254931210890927
1998	1.0987301079674736
1999	1.0364016457594305
2000	0.018945882922595903
2001	0.8974325956810828
2002	0.5952277075061917
2003	0.47723397395971845
2004	0.3877243457521913
2005	0.01224067765019566
2006	0.2858753777388313
2007	0.41478927611751987
2008	0.4453049021966466
2009	0.3328840625259988
2010	0.2172399404757758
2011	0.1885597125901713
2012	0.37450819420511905
2013	0.3230943744038628
2014	0.32014898700382133
2015	0.37615807135314205
2016	0.5072161352750344
2017	0.1810601425903328
2018	0.39893088049126413
2019	0.4540414950750064
2020	0.34691411806308936