Year	% of total merchandise imports
1970	18.181818181818183
1971	23.762376237623762
1972	21.810699588477366
1973	15.04424778761062
1974	20.57142857142857
1975	12.46819338422392
1976	4
1977	1.3477088948787064
1978	0.7648183556405354
1979	6.0661764705882355
1980	6.881405563689605
1981	2.2535211267605635
1982	0.9722222222222222
1983	2.0151133501259446
1984	1.4184397163120568
1985	1.107011070110701
1986	3.543825411296623
1987	2.881613507198812
1988	1.824311962243712
1989	2.9507368227489206
1990	4.049763692173681
1991	7.826373168345039
1992	10.85931780212513
1993	8.208205787584326
1994	2.0321147288604586
1995	3.2910949164095427
1996	3.016472532631005
1997	3.5381575239048404
1998	2.5408145098361956
1999	3.5110333291559312
2000	1.8417846730259284
2001	2.251582928217292
2002	2.364272780001744
2003	5.44944885345077
2004	2.6982219776441005
2005	3.169540321771197
2006	1.862191480084098
2007	2.23866226098645
2008	1.9481868493407346
2009	2.3264946110411424
2010	1.4865899644640999
2011	1.012339614503394
2012	1.5586309865115597
2013	1.439998932790168
2014	0.9818922448900825
2015	1.3649306654129505
2016	2.2056305058034966
2017	2.9136702977187947
2018	3.1033422261861494
2019	1.2872337955734872
2020	1.321909367485452