Year	% of total merchandise imports
1960	13.2569558101473
1961	15.22140221402214
1962	19.743178170144464
1963	20.066006600660067
1964	22.315348349921425
1965	23.323323323323322
1966	26.33257403189066
1967	26.478494623655912
1968	33.72978116079924
1969	31.342904027560525
1970	30.47392965501741
1971	28.311166024662644
1972	30.073606351649225
1973	29.128047843769288
1974	25.82135305053716
1975	26.736470089138827
1976	27.18860178835355
1977	25.621851585319394
1978	27.48354787282588
1979	29.448873736946197
1980	35.13852672583207
1981	37.10323000075405
1982	40.10045160032729
1983	36.63067143611884
1984	37.349285419780706
1985	33.922594120498374
1986	27.066922117758274
1987	29.069942901290457
1988	30.6026748739884
1989	27.96580543055778
1990	26.08849217073208
1991	28.300845167161253
1992	27.454512912539503
1993	25.138842446020476
1994	22.222960323925644
1995	26.422442388429758
1996	29.533891941239098
1997	33.490379617479974
1998	32.70967213659595
1999	35.00598338813491
2000	26.50625605238652
2001	27.8949553225589
2002	27.836107870787597
2003	27.74590283687478
2004	27.844844288307087
2005	32.89339519926456
2006	33.33583843312392
2007	35.81173668857944
2008	35.566268310753074
2009	36.71868381686361
2010	34.388196360928404
2011	33.72079915483394
2012	34.85354797309157
2013	30.28895348444384
2014	30.487513841941894
2015	31.30955241298657
2016	33.48894067044214
2017	33.93042337603321
2018	33.21665514538202
2019	35.92831307905621
2020	38.22409870601937