Year	% of total merchandise imports
1960	5.823475887170155
1961	5.827067669172932
1962	5.361930294906166
1963	5.614320585842148
1964	8.430232558139535
1965	12.0157215047726
1966	16.56372824256036
1967	21.130480718436345
1968	26.392823418319168
1969	23.885025764018778
1970	25.227370335750194
1971	24.89401056035037
1972	25.096397930657755
1973	23.665789277098376
1974	21.455899295272587
1975	22.29468797650321
1976	21.828362573859515
1977	21.172829776381473
1978	25.30416032331404
1979	21.343693393351284
1980	22.98352195655943
1981	24.621652362733947
1982	24.20972145878976
1983	23.917533064573167
1984	21.494945977401233
1985	17.685184172037363
1986	19.96526488582229
1987	19.793701101339405
1988	21.179392033776672
1989	19.737002127693987
1990	17.0638255427039
1991	20.140057483738936
1992	19.004048426233457
1993	18.09531147615373
1994	20.782263183824718
1995	20.719561098736186
1996	20.911600144592324
1997	16.896044370146377
1998	14.321682855596846
1999	14.2276388769662
2000	21.535785355548562
2001	14.638829082086021
2002	20.97843046199068
2003	16.179194363245006
2004	18.333373911938065
2005	17.208930857109433
2006	15.936617686658149
2007	17.201491824503947
2008	17.41479083479047
2009	18.110454859380614
2010	18.947717243569173
2011	18.194474073508854
2012	17.17368640033617
2013	17.49520449277871
2014	16.84150635765698
2015	18.064393894350903
2016	18.257038787535336
2017	18.47105304178177
2018	17.9933100647961
2019	18.16624335704871
2020	18.562725307778148