Year	% of total merchandise imports
1961	0.7117437722419928
1963	1.5105740181268883
1964	2.26537216828479
1965	2.6392961876832843
1966	2.0309275266951814
1967	2.3170483114765235
1968	2.6311128603758736
1969	3.155122370731358
1970	1.0082738226318935
1971	1.5784081034460398
1972	3.0579008271546737
1973	7.564395466559154
1974	3.7223931623931623
1975	4.505082932049224
1976	3.1579846609461617
1977	2.0448987833057886
1978	5.983739523386505
1979	5.511365589751123
1980	7.587212474688072
1981	5.692292053634961
1982	7.4582332611478135
1983	6.243083776628181
1984	7.876736567401377
1985	5.569228144741771
1986	7.018297786274914
1987	18.256253719235044
1988	16.507853288738204
1989	10.617510125448398
1990	13.85537532589494
1991	19.93182185155034
1992	20.087037565601694
1993	20.48301113978557
1994	17.958216971983333
1995	12.009338228432233
1996	14.776782207206878
1997	9.801818063096004
1998	8.887437001147052
1999	9.458042190482141
2000	9.437875430716296
2001	11.805948380170324
2002	10.556753818688595
2003	12.677276420849475
2004	17.480140052351608
2005	12.999455172220998
2006	15.468394784750211
2007	20.83180774574299
2008	22.386785492453303
2009	20.517024952610797
2010	25.28841054790758
2011	18.87989506068038
2012	16.031130431405217
2013	19.819706318337683
2014	22.724748443081978
2015	21.890777656608616
2016	23.94523879528243
2017	27.770563601496416
2018	27.30921677874513
2019	19.054793841873003
2020	13.821673203137522