Year	% of total merchandise imports
1974	62.48751822559979
1975	54.569434705666296
1976	44.361046843544365
1977	46.85045183391412
1979	52.20703337209911
1980	58.31264226603785
1981	61.369637803982044
1982	49.72538342561003
1983	44.65735881124363
1984	48.78078545116047
1985	48.78078544766771
1986	44.734049763125796
1987	50.155605845694275
1988	45.88073917238805
1989	45.471983814324254
1990	53.316934050956874
1991	42.85789132247974
1992	41.147657524135525
1993	37.27364299539882
1994	40.592762181011764
1995	45.53161370315299
1996	47.89145687035309
1997	47.966060703176346
1998	29.336793042081638
1999	29.518423425871987
2000	9.21539313928513
2001	10.81937117710545
2002	11.375661247153381
2003	11.180331288565029
2004	10.524657648061591
2005	8.170010679545548
2006	9.277713196332405
2007	9.354691082866152
2008	9.360589771667751
2009	10.656793236599329
2010	7.098419713015143
2011	50.77602976959281
2012	14.430456843740672
2013	57.51644974426093
2014	49.913265925080516
2015	38.47341720072602
2016	34.9720667792135
2017	20.81484588674511
2018	19.19128612569573
2019	18.130309301798885
2020	21.307882573659715