Year	% of total merchandise imports
1960	0.27514100976750583
1961	0.24246192104445136
1962	0.2787540904132832
1963	0.5837004405286343
1964	1.4799474694413577
1965	0.8079524306658799
1966	1.153157653719662
1967	1.0305899490167516
1968	1.5604200562047035
1969	0.8141656670823578
1970	0.6975228337980781
1971	0.4100167533727184
1972	1.579165455240572
1973	2.45153778424992
1974	2.59136323175855
1975	2.3444068914351663
1976	3.5067927283727975
1977	2.5649889112002704
1978	1.7939783188945881
1979	1.4275844509439288
1980	0.43460228219371355
1981	0.3727181565160445
1982	0.1609349096204031
1983	0.3511676658699745
1984	0.25967346691810456
1985	0.28948899151265073
1986	0.1964056242128735
1987	0.22850889328325288
1988	0.48093691154918305
1989	0.2341961505737328
1990	0.2033314445987827
1991	0.3098746526945084
1992	0.2870959067904333
1993	0.3224993249056364
1994	0.24394830991893826
1995	0.2032633970698381
1996	0.20535041890251715
1997	0.3221889354943938
1998	0.1849727740151004
1999	0.19396727168827482
2000	0.1896933623103891
2001	0.19265186440556967
2002	0.22782108010618576
2003	0.1943598595560029
2004	0.234705510289787
2005	0.2049728383155501
2006	0.1757343230395193
2007	0.2224573987345337
2008	0.26050349200853
2009	0.2739435615815606
2010	0.26079620981364143
2011	0.297995836272101
2012	0.29058852451239164
2013	0.3450543509128886
2014	0.34617250701638225
2015	0.3593109759370654
2016	0.3518006299805663
2017	0.2942080592560898
2018	0.2980256072833553
2019	0.23984181060065093
2020	0.259348281280036