Year	% of total merchandise imports
1961	3.558718861209965
1963	3.0211480362537766
1964	3.2362459546925564
1965	3.812316715542522
1966	2.8444949600693925
1967	1.6556816380149941
1968	3.1368690347338384
1969	3.3486222094814924
1970	2.2383364268411614
1971	2.854623036717119
1972	2.223246046372091
1973	2.8141378846929177
1974	4.1470085470085465
1975	4.036790746261051
1976	4.290378920191359
1977	3.337496167450625
1978	0.8217141091498976
1979	4.540922686485996
1980	1.1179687405269731
1981	2.048367571363884
1982	0.8242644562574725
1983	0.1270324802496065
1984	0.17849487203527467
1985	0.23298090870402136
1986	0.40033474323876034
1987	0.3417228204443699
1988	0.4085062235696631
1989	1.1113514707524472
1990	2.785538895941059
1991	1.0285495980588155
1992	0.8635357086913841
1993	0.7488544677664979
1994	1.728949458964969
1995	8.75398029267014
1996	1.3320777998916578
1997	1.4291943831399594
1998	1.2814929770622836
1999	1.4453505185737408
2000	2.151186371153977
2001	0.5294194356374329
2002	1.1398274542497784
2003	0.7182488265261249
2004	0.977649400483868
2005	1.173853120880757
2006	1.003336681332354
2007	0.6416797980033406
2008	1.0515064333436268
2009	0.9099194171005021
2010	0.9798291194420062
2011	0.7750688267243064
2012	0.7741294779359099
2013	1.2114282904793505
2014	1.7541942512207869
2015	1.9533220673667036
2016	2.2260175658858223
2017	1.5578100574405518
2018	2.8460709860260187
2019	3.928301452389566
2020	3.523716578060304