Year	% of total merchandise imports
1963	0.32679738562091504
1964	0.15527950310559005
1965	1.5479876160990713
1966	0.8683068017366137
1967	3.753026634382567
1968	2.0306800223386685
1969	1.921486049484846
1970	1.9944414340400987
1971	2.415275189228253
1972	3.5642911193465148
1973	2.511393619573039
1974	2.6327521500539035
1975	3.475718114981605
1976	2.8166764586767665
1977	1.6216894827623851
1978	1.8561142469633207
1979	1.5442354943446834
1980	1.0086869445857538
1981	1.2481590076291107
1982	1.3394238738934376
1983	0.0751241702048928
1984	2.542882219717023
1985	2.335349706726286
1986	1.3354012963928599
1987	0.7574458316850968
1988	1.4416786072727525
1989	1.1635778262136336
1990	0.6941671528966568
1991	0.6636995392412576
1992	0.6011966895398261
1993	1.071610496980658
1994	0.8109425345808965
1995	0.8347577730851864
1996	1.3473380313929684
1997	3.354516296407781
1998	7.415999112766625
1999	4.121068064130086
2000	3.099410218676231
2001	2.9342821873530855
2002	5.076921042893802
2003	3.538618125428302
2004	4.767847250029259
2005	4.93384366914627
2006	5.011729381851737
2007	2.982041111693199
2008	6.62442942453593
2009	5.053860986217012
2010	4.919054141850113
2011	4.345154205093528
2012	6.34990985350867
2013	6.4945792253847765
2014	15.520066768713981
2015	19.05643745985837
2016	15.584943516843014
2017	10.031423543419994
2018	16.37621302260354
2019	15.860118534092454
2020	18.494957467280074