Year	% of total merchandise imports
1976	6.433312863701494
1977	6.052717841923603
1978	4.562193126022914
1979	9.419831526895322
1980	6.535665527018986
1981	11.1152630679877
1982	7.957880017373434
1983	7.772857826711345
1984	9.032825988187188
1985	8.790869833436151
1986	7.821489659461981
1987	7.752499637733662
1988	6.732348111658457
1989	7.825086306098965
1990	8.289748953974897
1991	5.83376317682187
1992	4.950040197542208
1993	5.4354508196721305
1994	5.194063926940639
1995	6.556048252515138
1996	6.209121442460668
1997	6.138550243616998
1998	6.34098997088321
1999	6.829226900965348
2000	6.40074187696895
2001	8.7174057291997
2002	7.68239849132069
2003	7.497193976637635
2004	4.771880056728546
2005	4.901877448621908
2006	6.836574633717213
2007	5.186372291580565
2008	5.043861975018768
2009	5.666870439396412
2010	5.582485421026355
2011	6.037555492246019
2012	7.486166650565934
2013	4.585548962830261
2014	4.632435462733828
2015	4.687832798070702
2016	6.901317166609217
2017	8.769804890711761
2018	8.701882134062927
2019	9.58496233865723
2020	9.650381495212713
