Year	% of total merchandise imports
1960	1.2127689233771666
1961	0.8790661257028969
1962	1.207596504506984
1963	1.3873486830614274
1964	1.3953821052477786
1965	2.356423365005826
1966	2.3933712235067457
1967	2.681199438002617
1968	2.1564063935190303
1969	2.006089147851046
1970	2.0036521081347307
1971	3.03278835072943
1972	3.02564195696717
1973	3.4200691139956017
1974	3.5707952427842047
1975	2.5797261763718904
1976	2.349868114572699
1977	2.1660136430793213
1978	2.2099916558075914
1979	2.8471346309370555
1980	2.578526554677671
1981	2.7654786568594325
1982	2.8101122105476435
1983	2.599309636315616
1984	3.165276528846032
1985	2.9586831577782133
1986	3.7290563615963808
1987	3.052730404134002
1988	3.6758162917753863
1989	3.719881017177344
1990	3.4303727703989555
1991	3.623238110562258
1992	4.236883556188418
1993	4.968699965170672
1994	4.511703330512823
1995	4.69489597863052
1996	4.858034820277079
1997	5.372351633314817
1998	6.030462139550472
1999	7.058769950229922
2000	7.922980773106783
2001	8.158590389785177
2002	8.312673359556728
2003	9.071753585677182
2004	9.485072950047767
2005	10.761500203381935
2006	10.693677749442493
2007	12.752192900795889
2008	13.45222246731094
2009	15.23557739391655
2010	14.763477423945501
2011	14.463452549309409
2012	15.4927511743749
2013	16.111708095101147
2014	17.852741454164953
2015	20.089853176376394
2016	20.345598530424198
2017	19.964757575896535
2018	20.839543266481904
2019	20.996980794261113
2020	22.47018428422524