Year	% of total merchandise imports
1960	8.052884615384617
1961	9.20674064940403
1962	7.716660071230709
1963	9.131569139023481
1964	9.129411764705882
1965	8.958248885285771
1966	10.514612452350699
1967	8.430913348946136
1968	7.450978186909897
1969	6.000807593592353
1970	6.342799806085751
1971	5.556550597903387
1972	6.445600194175836
1973	5.217340519073468
1974	3.7894613765687
1975	3.8679907649789422
1976	3.25946514345861
1977	6.655237548531733
1978	9.43424553901337
1979	3.9131218033570137
1980	3.6060908465377266
1981	2.007524611914425
1982	2.8099434430494092
1983	3.242670997962454
1984	3.603713462099737
1985	3.6037134300326756
1986	3.6037134958845543
1987	2.8660074481559925
1988	2.7435485683528067
1989	2.7435485684117316
1990	14.149935189683067
1991	19.666399164069688
1992	8.22855196894351
1993	19.756373076802937
1994	2.7782154912003616
1995	2.7702208655947294
1996	3.525236187706673
1997	1.970426682068858
1998	0.5115890409870407
1999	0.5758498563828591
2000	0.34664780711447424
2001	4.216415130112118
2002	4.609901320464506
2003	5.125643878942699
2004	1.2435090364584223
2005	1.182960051879369
2006	0.12824614146308272
2007	0.07541682101676304
2008	0.02533456978694782
2009	0.02396945157508524
2010	0.12163020511227585
2011	0.38368530184423333
2012	0.22799458343249487
2013	0.03677263955809322
2014	0.06842236343599196
2015	0.8012273952950202
2016	0.028850248829618105
2017	0.012372438495511564
2018	0.007378717004301822
2019	0.8683157836944927
2020	1.0376577020044697