Year	% of total merchandise imports
1970	17.045454545454543
1971	20.56737588652482
1972	19.48717948717949
1973	25.609756097560975
1974	34.552845528455286
1975	28.38283828382838
1976	24.20212765957447
1977	20.97130242825607
1978	21.891418563922944
1979	20.31063321385902
1980	14.681724845995895
1981	16.11170784103115
1982	14.609053497942387
1983	13.436385255648037
1984	13.225058004640372
1985	14.64968152866242
1986	15.395921933372225
1987	17.616033755274263
1988	12.238006760816129
1989	13.772712613900486
1990	15.777308809266163
1991	14.89525063020293
1992	15.557283189244849
1993	14.269526504144817
1994	15.458381279141387
1995	18.295394321395687
1996	12.19008169319007
1997	16.028550877291384
1998	14.41754316439009
1999	11.885847509793363
2000	12.844117612402076
2001	7.816973376890641
2002	12.540311367984541
2003	13.450319159003607
2004	10.063114153349236
2005	7.551499483155147
2006	8.681004411533092
2007	6.786077312275153
2008	4.852383065722965
2009	8.0684760979511
2010	6.419236997742591
2011	4.8077451915753295
2012	5.205744213499106
2013	6.39715549136717
2014	7.254100635903404
2015	8.160656547426829
2016	6.158842981092771
2017	6.3500985162607435
2018	7.162879913462845
2019	5.771588533321261
2020	4.916386237161845