Year	% of total merchandise imports
1963	33.81294964028777
1964	35.49060542797495
1965	39.743589743589745
1966	42.04322200392927
1967	34.588235294117645
1969	25.722883464461034
1970	27.480035082860173
1971	27.48190733851877
1972	26.34009390580377
1973	26.22910225006358
1974	25.84307891946638
1975	19.964493642795603
1976	24.555066739989
1977	27.090493131632787
1978	27.059073984069666
1979	30.40905502047983
1980	26.858072701196978
1981	33.76702811777767
1982	30.255240519958278
1983	29.216335053083952
1984	30.545838135873122
1985	23.44230826252477
1986	20.710602673859636
1987	21.80783783832412
1988	21.56653197102558
1989	21.671606513185633
1990	19.79821780903577
1991	23.427820499784026
1992	22.408400859675094
1993	23.461940410288825
1994	22.741555332158853
1995	25.30354928552523
1996	27.116945441615727
1997	31.450308774030944
1998	36.55966015274883
1999	40.55638832982857
2000	44.92201798618454
2001	46.226534941709616
2002	45.63425816009261
2003	47.208124514736575
2004	48.564192999295045
2005	47.892664470409116
2006	49.39869162769377
2007	46.77161468217649
2008	43.931164484123606
2009	36.85499541421473
2010	36.65675217247548
2011	35.38986290848107
2012	37.06802549567174
2013	36.57986180997895
2014	36.988381771086935
2015	38.40388072161882
2016	40.806725371475835
2017	38.48608480818873
2018	39.91285482793837
2019	39.069686626615876
2020	34.20206094005253