Year	% of total merchandise imports
1960	3.79677337612974
1961	5.0946741814957885
1962	4.805410113687509
1963	5.649803705763592
1964	6.931993924354746
1965	4.1673828996857765
1966	3.8705616264510403
1967	3.7196299865441604
1968	3.80861940319007
1969	3.5678936103614847
1970	4.182241705408264
1971	4.722735226691226
1972	4.956598447125983
1973	5.937120108479722
1974	2.2521797095764766
1975	1.675483859958101
1976	2.0294964515778324
1977	1.6870344578966734
1978	4.87151355671366
1979	4.249624792503991
1980	3.121038654761066
1981	2.720147810253854
1982	2.6551196622799536
1983	3.0319264934453476
1984	3.513731240311626
1985	6.428683354874222
1986	7.343791555300013
1987	6.651034897096984
1988	7.55695731421952
1989	7.406114784896929
1990	4.572997279348466
1991	3.653328170045901
1992	2.8697782984695093
1993	2.474283381210235
1994	2.86745006837261
1995	4.22868107543091
1996	3.8690504426225596
1997	2.0966641907352193
1998	2.029681354790841
1999	1.8669225449933466
2000	2.4578136673851154
2001	2.6418734375910136
2002	3.626179132196625
2003	4.214371225749274
2004	4.731902215006638
2005	5.666628376842526
2006	6.537321610138323
2007	6.466395304835153
2008	5.936966471447542
2009	6.391320420981556
2010	6.688581567619588
2011	5.962828469158465
2012	6.82269789684504
2013	6.9596142625386745
2014	6.481481966950256
2015	7.0202766192625345
2016	6.876249489905133
2017	6.011226350702889
2018	5.1012921704747445
2019	4.795253385956267
2020	5.227214823624346
