Year	% of total merchandise imports
1960	6.627411839922746
1961	6.082036022914992
1962	6.109754324787536
1963	6.007094565975151
1964	5.686056444500332
1965	5.32789862237215
1966	5.1686242399703115
1967	4.840492662197759
1968	4.496100264079636
1969	4.3334090221615735
1970	4.269442362245555
1971	3.808010679367721
1972	3.8517439916524685
1973	3.883854102500741
1974	3.61107602914608
1975	3.498183579697589
1976	3.3794674232887316
1977	3.872159843982253
1978	3.6806133046076708
1979	3.729656918867684
1980	3.7279304170880483
1981	4.073571924848221
1982	4.349607807889899
1983	4.679989192205564
1984	4.8558676086505095
1985	4.724312320785349
1986	3.952378294355162
1987	3.693605284047759
1988	3.7752082649855465
1989	3.7769626497812085
1990	3.5509801390287734
1991	3.5298684054142333
1992	3.468986541633482
1993	3.717337737197289
1994	3.901384588804143
1995	3.8968419568346233
1996	4.108054230961241
1997	4.3560397461505405
1998	4.593320302182131
1999	4.7535685434036585
2000	4.975203989085721
2001	5.068367003274426
2002	5.072122519774103
2003	4.710581782291552
2004	4.601594723912663
2005	4.6178549463669665
2006	4.655136683434028
2007	4.5478864209955985
2008	4.493771303778003
2009	4.655573881001997
2010	5.079249144229062
2011	5.2173964371081665
2012	5.4655442969976376
2013	5.358965789833553
2014	5.3320078279047545
2015	5.524607302800628
2016	5.568908218884835
2017	5.478916896163183
2018	5.4086532177884585
2019	5.626036600646381
2020	5.509709788031019