Year	% of total merchandise imports
1962	0.07401924500370095
1963	0.06821282401091405
1964	0.06105006105006105
1965	0.35952747817154596
1966	0.8637236084452975
1967	0.36429872495446264
1968	0.12978585334198572
1969	0.13459114134505878
1970	0.1294106795010228
1971	0.19531574069465088
1972	0.5330661629178681
1973	0.7532401487317633
1974	1.1720855828834233
1981	9.527794907937627
1982	11.428764811006976
1983	8.764438742538296
1984	12.007826855696342
1985	12.74203748856898
1986	10.658430359752602
1987	19.21053426280379
1988	15.607013751844661
1989	10.948920143685909
1990	6.8787837322614775
1991	5.302009126596443
1992	3.3615833912278443
1993	3.391227490609122
1994	11.969027110133228
1995	2.289711614160142
1996	3.910961776823094
1997	3.7000274706073504
1998	6.271042927589905
1999	3.502545342106119
2000	6.8096958718642115
2001	7.053606278404528
2002	7.224981340871679
2003	7.599033218790627
2004	7.627026132666757
2005	7.90265021240522
2006	8.33799209868181
2007	5.738643791122032
2008	6.8743924746819545
2009	7.877147762208018
2010	6.4613911211795205
2011	6.157652491272769
2012	7.00130245978267
2013	5.416178279455037
2014	6.63499154368736
2015	5.738500381886009
2016	6.304594324448469
2017	6.280240619360597
2018	5.580567564760439
2019	4.1538678381054845
2020	3.9208811632478913