Year	% of total merchandise imports
1960	2.128311280677544
1961	1.92252303378407
1962	2.144832553055185
1963	2.33240108907808
1964	2.110841356295765
1965	2.1607231253250516
1966	2.2154098546034215
1967	2.0842005504173016
1968	2.260447027758914
1969	2.3076606046487482
1970	2.7948531779330485
1971	3.278251890893421
1972	3.1347229430699723
1973	2.9347069639492482
1974	4.59610581425585
1975	3.9200393355687058
1976	3.7950428397050677
1977	3.641466070772726
1978	3.118306373224822
1979	3.238846921538833
1980	4.263663569090287
1981	3.6340896323768392
1982	3.675524016773879
1983	3.7713360442696424
1984	3.882029076689815
1985	4.123190784211302
1986	2.4690886706392527
1987	3.0664426873856954
1988	2.676377627130034
1989	2.9235058304341743
1990	2.8683737451283586
1991	1.6940602358118955
1992	1.8299689065650093
1993	1.7721551437964351
1994	1.7354779734026826
1995	1.7734756914086622
1996	1.9119695918892707
1997	1.8681653738431965
1998	1.6735295468684876
1999	1.8288482021994072
2000	1.8531427346935698
2001	1.8895196283110194
2002	1.9647454777613278
2003	2.0975834303768712
2004	2.176283667225288
2005	2.103779871531297
2006	3.2297963562591154
2007	3.5100272339984815
2008	3.7380570804764224
2009	3.4288070163301696
2010	3.3872431235478118
2011	3.289089773573184
2012	3.1760195491363894
2013	2.801421934114339
2014	2.5587917073509816
2015	2.1403559558388077
2016	2.1904726278053688
2017	2.652182429358594
2018	2.9649449549063926
2019	2.452011223628304
2020	2.4997965379429696