Year	% of total merchandise imports
1973	3.428134063809217
1974	8.74795672856172
1975	7.202497310239275
1976	6.158491849993088
1977	11.985598079743966
1978	6.504357320231414
1979	11.87501945363809
1980	15.6958660210836
1981	23.19593266877124
1982	17.123978697363633
1983	18.400928819596
1984	8.39021383105935
1985	10.928005636991967
1986	9.150900856745153
1987	7.828781347173032
1988	6.90858753151728
1989	7.767280103806574
1990	5.030832797387326
1991	5.550583405755558
1992	6.155417731622781
1993	3.94189012821536
1994	3.325032957266024
1995	3.6629084653642834
1996	2.740572078448988
1997	3.7264336685193973
1998	2.043909349035987
1999	3.9604989284355594
2000	5.112875745834368
2001	4.689580446544796
2002	5.061628465037284
2003	5.913683492734901
2004	9.04513618121484
2005	13.472351718186609
2006	13.217080905999506
2007	12.704752957247253
2008	13.662817109107916
2009	6.336313985933834
2010	8.5570756036944
2011	10.364532980328962
2012	10.540754771906778
2013	8.989420785243878
2014	9.040487253034307
2015	6.639578157973956
2016	5.713012783239173
2017	5.594519321882745
2018	6.848844717354291
2019	9.133114724067152
2020	7.446078829263211