Year	% of total merchandise imports
1960	0.391705069124424
1961	0.02134927412467976
1962	0.05554526939455656
1963	0.16909029421711194
1964	0.8695652173913043
1965	0.6686167989970748
1966	0.7480183097019091
1967	1.0103871576959396
1968	2.267156862745098
1969	2.263059656655799
1970	2.8132027231001446
1971	4.707572749534573
1972	5.818387614029887
1973	5.908867237476626
1974	17.03601240162175
1975	15.54665847326904
1976	17.240114670936965
1977	16.009342574798012
1978	13.268497821698608
1979	13.759815977466172
1980	17.249410422131245
1981	18.328256212317065
1982	18.975701766718213
1983	12.995775502582935
1984	9.947865159908979
1985	7.884226046982204
1986	5.497624758692251
1987	5.385176300460335
1988	4.068694209713111
1989	4.184655075691402
1990	3.566953949348063
1991	2.8300417443744057
1992	3.066871663873398
1993	3.023660352749796
1994	3.042923646514949
1995	2.978693352647948
1996	4.351362590412261
1997	6.290999809061741
1998	7.281408395031254
1999	7.986984073039906
2000	9.293235407666002
2001	9.110545052716493
2002	8.167595670880882
2003	9.38482174013497
2004	11.131399156938345
2005	12.664673513454034
2006	13.95946984724934
2007	13.06025394921228
2008	15.63959241103322
2009	12.342711524930605
2010	11.530650878614528
2011	13.06120794590136
2012	13.062023936626833
2013	14.312731704043241
2014	12.983836342613921
2015	8.923886309034144
2016	7.39768893097492
2017	7.89913386572615
2018	9.43908006239649
2019	8.117525969345902
2020	6.340565381086667