Year	% of total merchandise imports
1960	0.7827788649706457
1961	0.6209427039232289
1962	0.8064516129032258
1963	1.4529374605180037
1964	0.6554989075018208
1965	1.2024699382515438
1966	0.704390702042733
1967	1.7792604948568251
1968	1.2880241161962183
1969	0.7176519493136417
1970	1.5760808072496117
1971	0.8756328644102203
1974	16.24355979867856
1975	12.861413878883642
1976	13.609730246167167
1977	13.884405527123207
1978	10.250099102287376
1979	11.294168309718703
1980	18.950581317969544
1981	17.544811575707136
1982	12.809091673016045
1983	5.270597412003956
1984	19.735411950459095
1985	12.737744295228737
1986	8.340680839107934
1987	6.9861726680419105
1988	5.4503174011437014
1989	5.027363338836057
1990	2.8578513365050644
1991	3.31009214936751
1992	2.2801197880672657
1993	2.403719969011013
1994	3.237240075614366
1995	5.623744699843785
1996	5.379746835443038
1997	8.917076864823931
1998	3.651431202848791
1999	3.8017205472872915
2000	5.482848518392744
2001	4.156643835096753
2002	11.056662699653485
2003	4.715404997618824
2004	5.92833689382017
2005	5.798507893850439
2006	4.48532499820669
2007	6.790552178005338
2008	6.614576428639577
2009	5.409817535798822
2010	6.634379978982764
2011	7.956571920226879
2012	14.87632623820926
2013	13.556981887075079
2014	12.409674161765702
2015	10.158377770625687
2016	6.956683580664033
2017	9.225787205564586
2018	10.307292376192814
2019	11.29542986995345
2020	8.943369701714982