Year	% of total merchandise imports
1960	6.0177917320774466
1961	7.426679280983917
1962	4.228624535315985
1963	10.374379792512405
1964	15.66265060240964
1965	7.598537180008126
1966	14.80592236894758
1967	11.859219586840082
1968	6.152433425160698
1969	10.028936947913495
1970	9.046670368072101
1971	9.774631609361457
1972	7.452984020002173
1973	8.49817707952033
1974	6.9102427231579595
1975	5.587545018218723
1976	6.83761242845462
1977	6.217662018766991
1978	7.939621716188114
1979	8.35577509106629
1980	5.341737235226009
1981	7.211633631956958
1982	6.996264505084011
1983	6.8883498055198915
1984	8.641384114032688
1985	8.228661995929615
1986	8.116727235770933
1987	7.686262070909988
1988	7.845354688599102
1989	9.889408916547154
1990	12.144935371488707
1991	12.830816599833694
1992	7.242786087300825
1993	6.7484535304259765
1994	7.683823023852414
1995	10.277505043531217
1996	5.015912741459049
1997	4.932696388425345
1998	1.0941324361983362
1999	1.9918859232257002
2000	1.4604364697480616
2001	1.7490686812119338
2002	1.5830363663232525
2003	1.7113740049153614
2004	2.2733201550842153
2005	2.3747443966566166
2006	1.476386912676309
2007	1.0330397800913917
2008	1.4369678182043746
2009	1.2356620255830435
2010	0.028720719210899595
2011	0.04440836849013685
2012	0.07306804044594548
2013	0.0007707168523236899
2014	2.63178569393628
2015	2.74976014498858
2016	1.2317017157715533E-05
2017	2.6670019083965486
2018	2.8084185776190163
2019	2.9085326955176374
2020	2.9457085129276304