Year	% of total merchandise imports
1960	0.7959821014457543
1961	0.8325204421528655
1962	0.7529989703638462
1963	0.7476213845837225
1964	0.7365758866058926
1965	0.7283253186423269
1966	0.845330044784838
1967	0.6082905919373622
1968	0.614949820012171
1969	0.6462232632867106
1970	0.47516362907517606
1971	0.7690406730879025
1972	1.014124634778927
1973	1.4095876366724664
1974	3.5657523464491483
1975	4.403035977201785
1976	5.304325604200279
1977	6.4949397734910335
1978	5.9946436282195945
1979	6.373588965956315
1980	5.465918132028298
1981	3.448015498670172
1982	1.5952931500578984
1983	1.8307003899946428
1984	1.2870984895110975
1985	0.9866800609827692
1986	0.7345700660238708
1987	1.0285695370938417
1988	0.7318048757520363
1989	0.8668937207955376
1990	1.1441064514386126
1991	0.5315645301441071
1992	0.41959665432232485
1993	0.4669086682995094
1994	0.37246323135636117
1995	0.36264112922825414
1996	0.43453624108402666
1997	0.4766096638476243
1998	0.4444326149615175
1999	0.6537004555671879
2000	0.8690935005623648
2001	0.926924651564319
2002	0.7982443754141464
2003	1.0310824051185563
2004	1.3930924425116809
2005	1.5718429292539642
2006	1.9097874739324565
2007	1.9321905625949705
2008	2.45463102785137
2009	1.6651045940192635
2010	1.7355423062119637
2011	1.7488446255574164
2012	1.776925968659871
2013	1.2158571588768712
2014	0.9616666157862493
2015	0.5381386291835808
2016	0.6494434780497262
2017	0.832621415880495
2018	0.8672515755479698
2019	0.6774842307410857
2020	0.4099739999045775