Year	% of total merchandise imports
1961	15
1962	5.038759689922481
1963	5.381944444444445
1964	5.88235294117647
1965	5.9880239520958085
1966	6.371911573472041
1967	5.40899577657188
1968	4.921968787515006
1970	6.938931352702596
1971	7.199336049494493
1972	8.379604119866062
1973	9.648597177149028
1974	9.307919152730015
1975	9.013763697726421
1976	9.683044328194995
1977	9.933474503435992
1978	8.69268938775902
1979	8.181779613078403
1980	6.703455427576756
1981	7.7849672618578305
1982	6.806831973462164
1983	6.2523690485900865
1984	5.892686699172932
1985	8.705217103497336
1986	7.055765313514757
1987	9.525789783580741
1988	9.531779507321774
1989	8.516541552499705
1990	7.585451336013656
1991	8.739860299050854
1992	10.669056822889063
1993	10.500935530290624
1994	10.918467647970715
1995	9.67754190796265
1996	8.698401947181303
1997	10.147532828785844
1998	9.3079465584965
1999	9.747857759309422
2000	11.294361255323222
2001	11.4667371296792
2002	12.746135314606422
2003	11.91949714500575
2004	11.892807686857156
2005	12.51677558068733
2006	13.246481479980563
2007	16.139130526186154
2008	16.822439419422896
2009	18.68372334714606
2010	18.752356084618476
2011	18.10757421004179
2012	19.69507751259784
2013	19.320773843338486
2014	22.62785440980646
2015	20.439417172203612
2016	21.664564196427396
2017	18.274566288891215
2018	18.431760075858627
2019	18.17434704062232
2020	12.920943768961138