Year	% of total merchandise imports
1960	2.5268744506794674
1961	1.9089167908065547
1962	0.9519797809604044
1963	1.3429251310976953
1964	1.5239974782775538
1965	1.7447778934138614
1966	2.150631638763824
1967	1.8870685834232335
1968	2.2727988411638744
1969	2.153315139467586
1970	1.499430370451697
1971	1.7338179963012563
1972	1.6237797046539322
1973	1.4983671284166875
1974	1.4192071535022355
1975	1.425217472908861
1976	1.2447201465401594
1977	1.4173345453745134
1978	2.063529942477744
1979	2.4649990402420072
1980	2.5169892620061725
1981	1.8278214944016304
1982	2.287602921724279
1983	2.296311545684729
1984	2.024274434288113
1985	2.4764772813201934
1986	3.1747071107905227
1987	3.0038807098825533
1988	2.7965408276747006
1989	2.7007467117727693
1990	2.5984078818069407
1991	1.7473573626933903
1992	3.801845741885712
1993	3.9834159838961223
1994	2.3543027011567004
1995	2.0539820877437736
1996	2.471806041438844
1997	2.565324091485218
1998	2.9094989509325777
1999	3.1639810654930702
2000	3.891408644170096
2001	4.411796727317768
2002	5.008421069183313
2003	5.549406229298323
2004	5.7144593379598705
2005	6.655069337500076
2006	7.662651888739347
2007	8.769994953396191
2008	9.409915597750034
2009	10.21718792906006
2010	11.680002824538024
2011	11.020413592655492
2012	11.86887249806123
2013	12.310833043809126
2014	12.643993953432492
2015	13.30849861657685
2016	13.915848498084541
2017	13.874499123839831
2018	13.776020424127147
2019	14.38333831228136
2020	15.64031408264449