Year	% of total merchandise imports
1960	2.4287680309903665
1961	1.657706093189964
1962	1.3765792947388271
1963	1.472526856085042
1964	1.7470589451485516
1965	1.7307642704222446
1966	1.4758481159001409
1967	1.609190459139647
1968	1.7604568881228972
1969	1.8082156058013172
1970	1.632434991209169
1971	1.62898174784514
1972	1.7087409582312585
1973	1.679412870418314
1974	1.2339713750890062
1975	0.899991575657418
1976	0.7784008739578567
1977	0.6122720949650148
1978	0.7110668432125844
1979	0.9099975157107236
1980	0.9943513955357494
1981	0.7590800046269591
1982	0.7044338703375593
1983	0.7072184605953736
1984	0.6418757404211068
1985	0.5859171249776662
1986	0.7543028335929183
1987	0.5701514890127348
1988	0.6230153142362727
1989	0.6320325620597841
1990	0.9930895543123571
1991	1.0101748785526459
1992	0.8716277952869907
1993	0.8285999189102502
1994	1.049311104387623
1995	1.233557116378916
1996	1.3165547030955698
1997	1.3665157977808458
1998	1.3469108807827983
1999	1.2488329289290332
2000	0.9602721512690418
2001	1.0251580672175404
2002	1.0157325280340115
2003	1.05093069253221
2004	0.977743552609207
2005	1.0707998213796601
2006	1.0499113857809736
2007	1.0975659742035175
2008	1.4260959207907145
2009	0.9755717299642654
2010	1.3357596650612986
2011	1.8663660095469055
2012	2.679128967263916
2013	2.32516765658967
2014	2.412606435898854
2015	2.4458039925071584
2016	3.008714947747234
2017	4.1178162559811
2018	4.441788091174886
2019	4.517043758806541
2020	4.6374305335396