Year	% of total merchandise imports
1964	49.029126213592235
1965	43.98009950248756
1966	39.55613577023499
1967	32.78271918678526
1968	33.001422475106686
1969	35.624237494916635
1970	37.790987739504274
1971	30.77804882522331
1972	34.953380582569196
1973	40.651718357082984
1974	42.40700032468051
1975	39.696094587459804
1976	39.359075310838264
1977	42.51577575855638
1978	42.12263259812025
1979	46.16226641951806
1980	43.72114223204722
1981	42.340485471500685
1982	46.34428123452715
1983	49.44857943177271
1984	51.79512577337877
1985	47.32758191503738
1986	37.552711849988455
1987	42.64463087248322
1988	43.69999986461841
1989	51.54946934195582
1990	42.08270160844008
1991	43.467285788360336
1992	45.56309442657956
1993	52.12580591487441
1994	52.837359893829785
1995	45.08034074627671
1996	65.7149790103962
1997	67.35780006377252
1998	68.36280802225386
1999	68.03467866191669
2000	53.219408795926284
2001	57.39736617554536
2002	57.862094544384114
2003	58.4522711163533
2004	58.675609639492606
2005	62.96868706947893
2006	61.513617505484994
2007	55.61372751272325
2008	60.33403416146048
2009	58.71512699716581
2010	44.58287541322578
2011	40.898192905413566
2012	41.30261868717269
2013	43.693157779913705
2014	40.83250607064357
2015	32.34632518764655
2016	33.02252773276251
2017	28.29564156064824
2018	28.775036272618877
2019	26.550164013389328
2020	30.363526307255697