Year	% of total merchandise imports
1960	0.0836470096194061
1961	0.19203072491598655
1962	0.21739130434782608
1963	0.22611644997173544
1964	0.2536783358701167
1967	0.058173356602675974
1969	0.1106990645929042
1970	0.9005221226409023
1971	0.07156424128401552
1972	0.052507501071581655
1973	0.03569200914824312
1974	0.02503801879493247
1975	0.027707070129275826
1976	0.07189353638016893
1977	0.0452180537875601
1978	0.10438617574886949
1979	0.127261721265015
1980	0.1615852697291673
1981	0.07433001543162439
1982	0.11838179118677296
1983	0.0414911835239952
1984	0.014463911894113833
1985	0.017662327386074456
1986	0.019541487727945707
1987	0.03695614479102263
1988	0.04248348242203431
1989	0.06632058569262832
1990	0.3301853486989604
1991	0.10663007096859407
1992	0.13523558755832596
1993	1.1142404307016527
1994	1.0201586450644335
1995	0.6359047053320632
1996	0.7796417349850121
1997	1.284271761981777
1998	1.3573018351130206
1999	1.9197260239889609
2000	3.4939639292135074
2001	1.324816940006976
2002	5.998933921731626
2003	11.951428026274092
2004	11.186083421414999
2005	8.186001825449072
2006	1.0109220881444432
2007	3.858300718915566
2008	9.914020034738504
2009	4.049761523603474
2010	3.802261557950194
2011	1.7797059021386306
2012	5.595599413675427
2013	1.7186350354576967
2014	1.0907046567764258
2015	1.3966613248856028
2016	1.3508140293878659
2017	1.2818320344694982
2018	1.58421278303773
2019	1.3823919334222499
2020	1.7321906987800477