Year	% of total merchandise imports
1960	0.19243104554201412
1961	0.3144654088050315
1962	0.12917810431131924
1963	0.10158177332752867
1964	0.09228497600590624
1965	0.2432244614315497
1966	0.34516084495374844
1967	0.07240081088908196
1968	0.1557632398753894
1969	0.1890359168241966
1970	0.77314366742443
1971	0.2992633517495396
1972	0.6475809972350475
1973	1.2340141248329835
1974	0.5255799914212637
1975	0.421290804631666
1976	0.9551917596191709
1977	1.065233704511933
1978	0.9940504785484645
1979	0.729164816119793
1980	0.7534398434952723
1981	0.7623326201064066
1982	0.904272012070471
1983	1.4961671827691976
1984	2.369658735211871
1985	1.9734457128970924
1986	1.9046142950696434
1987	2.250489671968302
1988	2.221981629155733
1989	2.416200030773446
1990	1.999613110744069
1991	1.636272420456502
1992	1.7803103013738637
1993	1.281152598325866
1994	1.2537353558288697
1995	1.6696632044421553
1996	1.603219704151237
1997	1.724364094222031
1998	2.199955915521829
1999	2.332129299979073
2000	1.6879684712032699
2001	2.3243753981393325
2002	2.069713116974211
2003	2.252256027996398
2004	1.9421678739200758
2005	2.23792426902707
2006	2.260858216903995
2007	2.073479815463362
2008	2.0253052458218805
2009	2.3820685483081605
2010	2.226981677362098
2011	2.0053527677023917
2012	1.98052826770406
2013	1.983105672684525
2014	2.1835142765381734
2015	2.3147315308224448
2016	2.3614233754533696
2017	2.3852521623172365
2018	2.291702523985701
2019	2.167700028948585
2020	2.2674891849722885