Year	% of total merchandise imports
1973	17.56756756756757
1974	6.349206349206349
1975	8.849557522123893
1976	10.76923076923077
1977	8.9171974522293
1981	0.13526613612282165
1982	0.06833868653044489
1984	7.354793209410106
1985	6.645397998452728
1987	0.09476677690161675
1988	13.26599559906367
1989	6.830929227553647
1990	0.8672804090694163
1991	3.3742970245075012
1992	0.09037628165659603
1993	1.2880207386696512
1994	0.5422975599619712
1995	0.8906466093477517
1996	1.0003794039950675
1997	15.556004035520344
1998	15.736712691262122
1999	5.5022695680477565
2000	14.777561262232677
2001	10.560857242532196
2002	1.1414515670180096
2003	0.8565612823179759
2004	7.57717923013079
2005	6.776547807253289
2006	9.403626319507259
2007	5.328109346991305
2008	11.035046484666031
2009	18.527135803897945
2010	13.755247272096643
2011	14.672746453021654
2012	17.738844665633888
2013	18.400882786470564
2014	20.09528174277278
2015	23.213360742291698
2016	20.62340470230447
2017	21.481143418154474
2018	17.41849211606989
2019	18.456425124528902
2020	17.361457435092532