Year	% of total merchandise imports
1964	9.18803418803419
1965	6.960556844547564
1967	6.932439073747506
1968	11.632672742176576
1969	12.157151646643568
1970	14.60762383017576
1971	10.321489001692047
1973	19.42522536404962
1974	14.865316186384419
1975	14.519417733937741
1976	11.096077932000508
1977	9.102980037152351
1978	11.989363307851441
1979	6.528838059853125
1980	7.168613088524803
1981	5.311200407744185
1982	11.611886878888967
1983	10.042274042528817
1984	10.914510071040983
1985	8.492085488723038
1986	8.052855388205558
1987	7.889446060772112
1988	13.054388323062025
1989	11.940968648863095
1990	14.526904465481019
1991	6.910860203899606
1992	14.295965441854195
1993	10.738250484690818
1994	12.854324955417477
1995	10.22681242829057
1996	6.585774166145105
1997	9.700428161688956
1998	15.00283147130275
1999	24.839906400667317
2000	16.74651124976573
2001	15.778911464774403
2002	23.965589650500554
2003	25.311808696266702
2004	26.90656756177514
2005	27.599523117373593
2006	27.341238805173802
2007	25.92517204236212
2008	19.42635149680526
2009	12.348292937967397
2010	13.751016981212711
2011	15.316987144657702
2012	16.080516335905422
2013	10.883062152658091
2014	18.623474551093043
2015	19.168160371296917
2016	19.363053663423706
2017	20.08315741469672
2018	19.54854788839746
2019	21.713499556900967
2020	18.801702654266496