Year	% of total merchandise imports
1960	4.7428513176002856
1961	4.867699768079275
1962	4.069394682255327
1963	5.800353406445461
1964	6.541650298757418
1965	7.65302174417705
1966	6.275515733949925
1967	6.2671332450162724
1968	7.505668981212955
1969	7.448111437666751
1970	7.051334808874679
1971	7.2194458185390955
1972	7.26793730330369
1973	6.70325133638107
1974	7.160003499936959
1975	5.603939278897931
1976	4.707271895345568
1977	3.6637160516014946
1978	2.8562592861770364
1979	3.4591454471077934
1980	3.1482996682951687
1981	2.43147138306186
1982	2.33168776501673
1983	2.492036145768146
1984	3.02912549799838
1985	3.1743473056640994
1986	2.800271600189831
1987	3.5284639169316803
1988	3.215591919453731
1989	3.9746665880269565
1990	3.853345419624316
1991	3.931712106718578
1992	4.0499726033140115
1993	4.191049735452353
1994	4.578883148305494
1995	4.312263399394514
1996	4.207659959765941
1997	4.175799342795244
1998	3.4331987888272324
1999	4.345376369868504
2000	4.522927704391089
2001	5.146639851515903
2002	5.42352630317998
2003	4.9911717331399315
2004	5.50330123904711
2005	4.4318845047846835
2006	4.647473304802963
2007	4.995434738399557
2008	5.569994217906588
2009	6.255309324923602
2010	5.886536852028886
2011	4.1773310657424965
2012	4.403159008983644
2013	3.461241883252628
2014	3.244248956208848
2015	2.999688923443007
2016	3.4781367192983783
2017	3.7804728718122975
2018	3.9488272919197676
2019	3.857154215751736
2020	3.994631097363936