Year	% of total merchandise imports
1973	12.826297131807928
1974	20.95156757948096
1975	22.250761467472838
1976	23.496262586524047
1977	20.803662710583634
1978	21.033640243131146
1979	19.790315719577105
1980	15.6234677617063
1981	16.926720902778563
1982	20.548443650557374
1983	18.90593082738272
1984	18.435965804855947
1985	16.448615888875253
1986	21.415884094339994
1987	19.236277199292388
1988	21.72772366968244
1989	22.08078335374411
1990	14.583866507619378
1991	21.482524375926022
1992	18.143489847114218
1993	16.716850538475473
1994	16.03762837482249
1995	9.43244793395834
1996	15.299564471341306
1997	15.522330612903525
1998	15.588862180223433
1999	17.555150811843625
2000	15.695538435665702
2001	14.553192980822715
2002	11.145687719594488
2003	12.258553146976238
2004	9.632826287938569
2005	9.218050087815154
2006	8.112601686864917
2007	7.388559701377185
2008	6.478525970292067
2009	6.091430683969118
2010	6.794655018243607
2011	6.526757431909849
2012	6.927437817903656
2013	7.654526817867807
2014	8.125235439519884
2015	8.402285040495999
2016	7.9055543047205
2017	7.335018064966821
2018	7.033407043483414
2019	6.89437928452353
2020	6.1194025302437645