Year	% of total merchandise imports
1960	1.7793435614362636
1961	1.875656194493823
1962	2.1463921299080804
1963	2.357624671639765
1964	2.729659458567066
1965	3.397886972932359
1966	3.5841869551134686
1967	3.5435707507280387
1968	3.5404550636134213
1969	3.837451968994452
1970	4.2142681510169835
1971	3.98594826601499
1972	4.299031442597966
1973	4.332739155365623
1974	4.17435891459804
1975	4.181564689504167
1976	3.8625692151498545
1977	3.948459917771757
1978	3.6043248528515583
1979	3.8938853092292542
1980	3.8558491406489788
1981	4.023550105687532
1982	4.111544020449295
1983	3.8981937112517837
1984	4.580146313451851
1985	4.586982559860985
1986	4.334581552824962
1987	4.516312999150399
1988	4.326964697733496
1989	4.225201336637938
1990	3.847751987966074
1991	4.222827772642248
1992	4.5643261749709385
1993	4.615216681802116
1994	4.9706889805804115
1995	5.1076310809472965
1996	4.967827973081776
1997	5.289039638658845
1998	5.397031885951391
1999	4.782835391512652
2000	4.70117719483994
2001	5.307385759192346
2002	4.675982481867532
2003	4.992547427084131
2004	5.463108725241927
2005	6.0228352604905595
2006	6.118106827386633
2007	6.245823244829585
2008	6.053298463057644
2009	6.051564109638225
2010	5.833528344094193
2011	5.8989775008334515
2012	5.850558257185559
2013	5.851083227915046
2014	5.640913338257725
2015	5.392604051531184
2016	5.4096019693669355
2017	5.462688674211509
2018	5.146171134333619
2019	4.88114570439282
2020	5.202840811757118