Year	% of total merchandise imports
1960	1.8223234624145785
1961	2.560646900269542
1962	1.6853932584269662
1963	1.2832263978001834
1964	1.4537107880642695
1965	1.7479970866715222
1966	1.256281407035176
1967	1.3622291021671828
1968	1.3119533527696794
1969	1.9047310539187896
1970	4.3207679104952
1971	4.789279342028681
1972	3.4084784189588055
1973	1.0627920110900035
1974	0.7100299447411478
1975	0.9727336978759811
1976	1.4085020043407743
1977	1.6317597700769713
1978	2.0934275526281496
1979	1.4122385010356333
1980	1.2613967158238668
1981	1.1356988190802872
1982	0.8967408568221766
1983	0.7778760315113177
1984	0.9219912921064668
1985	0.9629820295644431
1986	1.1064699132411766
1987	0.7064456008591787
1988	0.5786358588661873
1989	0.6110676432994024
1990	0.44626889787060453
1991	0.47178099265505297
1992	0.42379407197917685
1993	0.6090444579742802
1994	0.5668291868125145
1995	0.5048148887323421
1996	0.3723137700182601
1997	0.393983936832514
1998	0.28246684066095545
1999	1.1667912911288154
2000	1.2687424735338448
2001	1.99203504439259
2002	1.771203881774138
2003	1.7306285707828089
2004	1.582878573166331
2005	1.0733195412053362
2006	1.4868244228660827
2007	1.1388152762976473
2008	2.4023074395497503
2009	7.2811169358883765
2010	10.884866279863235
2011	7.307696121402281
2012	8.610338116854184
2013	9.129265268468876
2014	7.144528178874218
2015	8.794632696206676
2016	3.061044307379203
2017	5.019050062405148
2018	4.8779036440297405
2019	4.906006099995153
2020	7.202513095287929