Year	% of total merchandise imports
1960	4.083500392225224
1961	4.328475007336398
1962	4.195425632697253
1963	4.434689858877585
1964	4.108556351300415
1965	3.9186134137151467
1966	4.646713977167541
1967	4.4710111846610365
1968	4.151966047962366
1969	4.162895319347236
1970	3.314856275457688
1971	3.126980485775495
1972	3.390651728945625
1973	3.9544480114896405
1974	3.4556725136702973
1975	3.0571442573497247
1976	3.815462015709339
1977	4.612144419726033
1978	4.402333748696365
1979	4.995406303065944
1980	5.671534648713779
1981	5.545991963526421
1982	6.329819867141129
1983	4.603080848540458
1984	5.264480608556134
1985	4.522872622984664
1986	5.003811382312137
1987	6.0502439446244525
1988	6.125088557764205
1989	6.619453633672739
1990	7.234498483045751
1991	10.242387795906714
1992	12.33834237033892
1993	12.72343326282917
1994	12.307299743424345
1995	12.60048463363995
1996	13.780450760604946
1997	15.210987639107598
1998	16.53969873305138
1999	17.74006563274628
2000	20.21591242887296
2001	21.26515444208096
2002	22.45256799614558
2003	24.00630515176499
2004	25.56586807581766
2005	27.185529978761515
2006	29.10401373857073
2007	30.467771663746557
2008	30.41766773207433
2009	33.17868832377416
2010	34.118718263247864
2011	31.84077666928136
2012	32.269300816556914
2013	33.975473499088146
2014	35.800766501400005
2015	37.148240150835655
2016	38.26133083364412
2017	36.899365848855915
2018	38.8181272249918
2019	38.938361380890484
2020	40.25946159452348