Year	% of total merchandise imports
1960	0.04564839443065813
1961	0.05542317475577026
1962	0.07282511403828883
1963	0.1954236493346263
1964	0.4679384832861082
1965	0.57965486255757
1966	0.548956349142395
1967	0.514270725353012
1968	0.7251727746761133
1969	0.7278511058058917
1970	0.9002546856376975
1971	1.8936542905844025
1972	1.7354132066856525
1973	1.7918989427264425
1974	5.423301729323275
1975	5.00903236397685
1976	5.81977695913241
1977	5.81853243005321
1978	5.4542313255700785
1979	7.053463446427248
1980	5.748065049056462
1981	2.8164399678934777
1982	4.541616732452238
1983	6.025374601950893
1984	4.273957412331457
1985	3.81182657064403
1986	2.4297722594737956
1987	3.2689083674087653
1988	2.3628455542449163
1989	2.861788855234974
1990	2.4498088139651104
1991	1.253872867686009
1992	1.1113539086665851
1993	0.7040555418238743
1994	0.41620874887318
1995	0.40800990757353367
1996	0.6864906094217198
1997	0.604564511973026
1998	0.394400378285727
1999	0.5408116989550708
2000	0.6635668293380218
2001	0.500129337550512
2002	0.557507385208096
2003	0.6127010816730819
2004	0.7998824928567346
2005	0.9147947349734117
2006	0.7281313474779444
2007	0.7476260924161586
2008	0.9798153953510658
2009	0.6365438893045513
2010	0.6597267725508332
2011	0.7017263286230049
2012	0.6700795016888649
2013	0.6388254734084515
2014	0.5725640150882296
2015	0.4007487498623719
2016	0.4043125547319649
2017	0.49743948229517326
2018	0.5182023173429163
2019	0.5758905843233711
2020	0.47886357861878687