Year	% of total merchandise imports
1960	1.9096066599922432
1961	1.9171826920235588
1962	1.9209918366322905
1963	2.1653810503027193
1964	2.4845454790180863
1965	2.894187438158327
1966	2.893703324007814
1967	2.14330011547838
1968	1.8425668983416337
1969	1.8240106371082279
1970	1.465027053775778
1971	1.5913861978254258
1972	1.43307849329201
1973	1.6110477353466066
1974	1.794653553123652
1975	1.693820454280363
1976	1.7683498983772545
1977	2.075732134529779
1978	1.9759338501024297
1979	2.0225909562213307
1980	2.0687564616026
1981	2.030629227145822
1982	1.9872640332238172
1983	1.9678022829375394
1984	2.3262405538867923
1985	2.4555557471101346
1986	2.5150511952723216
1987	2.80670214720399
1988	3.0102783449818395
1989	3.3110817306540814
1990	3.3095194416597584
1991	3.16310114771312
1992	3.3627683963067603
1993	3.7084664718665574
1994	4.231629620699122
1995	5.560878636650005
1996	4.83156297800246
1997	5.224197193763663
1998	5.646700487314359
1999	5.989393320494763
2000	6.378694478376628
2001	7.011078295217178
2002	7.9703607241269525
2003	9.448198445822213
2004	10.350060523859089
2005	11.361892159444302
2006	12.96044520646241
2007	14.026507519280585
2008	14.802311812907323
2009	16.555799009861573
2010	17.2576203002344
2011	18.081414862317853
2012	18.16291870665944
2013	19.00581982191178
2014	20.386826189255864
2015	22.92769630201848
2016	23.951186820551605
2017	23.773418476995484
2018	23.56472299022283
2019	24.867195848797454
2020	25.63324396806945