Year	% of total merchandise imports
1960	4.902458011454995
1961	4.828882229881183
1962	4.921882742244219
1963	5.544488740831452
1964	5.644303219369915
1965	5.876452336327455
1966	5.505141969676151
1967	5.442460741541672
1968	5.787484818478579
1969	5.368933491839149
1970	4.977480496177565
1971	5.748814298144839
1972	6.140013341613564
1973	5.8360150521565
1974	13.550523511960527
1975	14.545526334442746
1976	15.9849403498565
1977	16.501664938105936
1978	13.819473306964941
1979	15.28609914941599
1980	19.728149197974144
1981	19.15560096839232
1982	17.201621464521413
1983	14.972249173102185
1984	13.452492489320713
1985	11.121949765400249
1986	7.259632889912776
1987	7.0608477498151245
1988	5.6153699360506355
1989	5.813790426295248
1990	6.738669080025292
1991	6.080599184044339
1992	5.873020462151085
1993	5.1724571357092
1994	4.650350588992645
1995	4.582615201210785
1996	5.079025579639432
1997	5.588124888103098
1998	4.6001273048068985
1999	5.143900615500529
2000	7.008598855364894
2001	6.756384093395592
2002	6.010864668145281
2003	6.341075035136466
2004	6.581219377123642
2005	8.062891516704067
2006	8.909823363420255
2007	8.323910756430509
2008	10.570069752873911
2009	7.908769895181187
2010	8.187813147975652
2011	9.630975399324555
2012	10.259441992752635
2013	10.036696360266486
2014	9.504675053645242
2015	6.5176706430647044
2016	5.292371323077027
2017	5.854560052280611
2018	7.176851616202764
2019	6.951817167740989
2020	5.284638572506033