Year	% of total merchandise imports
1960	3.56718192627824
1961	3.4627492130115427
1963	1.4828544949026876
1964	1.4655172413793103
1965	1.7087667161961366
1966	1.9069412662090008
1967	1.5819209039548021
1968	0.9299781181619257
1969	0.9414205658218766
1970	0.43756895119804645
1971	0.3440679323880477
1972	0.4511724547343426
1973	0.5966002449735608
1974	0.7951827067772345
1975	0.41628956253694505
1976	0.27176590364215575
1977	0.4444817815929555
1978	0.3257983302596439
1979	0.3727927824936948
1980	0.24880870688156245
1981	0.3158422459893048
1982	0.13583397848964845
1983	0.10251678712389155
1984	0.06125101862137955
1985	0.8959189590934686
1986	1.1637596714985095
1987	1.8789526908425946
1988	2.179019951319787
1989	1.9298218058162457
1990	1.825985690212496
1991	1.8730431484844594
1992	1.6049747717395961
1993	3.270284461192735
1994	3.604890540718887
1995	3.01314996167888
1996	2.084714643599302
1997	1.8034386721581468
1998	1.7601856239497005
1999	1.7096282307626796
2000	1.9959982693461105
2001	2.5528912340316805
2002	3.0592040171621515
2003	2.745740523824768
2004	2.7205385934148323
2005	2.9824459911770584
2006	3.0944488090158435
2007	3.6898740321406236
2008	4.198063448980841
2009	5.600489595329502
2010	4.107948086491481
2011	4.510104722156658
2012	3.464632020525228
2013	3.093207156396772
2014	3.703899440599076
2015	4.794223812055779
2016	6.362614093949668
2017	5.098426032901742
2018	7.108280502023422
2019	7.9000140212487455
2020	7.342970009836009