Year	% of total merchandise imports
1960	2.3184272701606314
1961	2.383675480205887
1962	2.6228148028723783
1963	3.5625606075091856
1964	3.7779011870428687
1965	3.4331054787051283
1966	3.659899132552994
1967	3.4328087149288415
1968	3.368252560222138
1969	3.8222760796415365
1970	4.030526920299248
1971	5.580002869001147
1972	6.009379768355163
1973	7.285322814652491
1974	10.855973061239196
1975	9.75488229972812
1976	10.702156933955546
1977	11.01443865772223
1978	10.492773413856494
1979	12.196415619175706
1980	10.006282443689644
1981	8.74662472269704
1982	8.915873361221882
1983	11.213342132490656
1984	12.907246775558587
1985	12.307276806654045
1986	8.870031786303889
1987	8.72867616231502
1988	7.2181757712428585
1989	7.796922341209059
1990	7.397859870748287
1991	5.556364142932998
1992	5.067126687006626
1993	5.526674199840009
1994	5.928837296594068
1995	6.752766088140798
1996	7.451784118735081
1997	7.254500251072112
1998	6.8864307655511325
1999	7.106824679154335
2000	8.398601443351922
2001	9.269480630965939
2002	10.151121903178094
2003	12.617487797712387
2004	14.82526195481977
2005	16.17468109943046
2006	17.81698047428544
2007	19.082319030870558
2008	20.921617360656203
2009	20.70351291301779
2010	22.874091772367084
2011	23.675454492738794
2012	23.56265545065673
2013	24.84939846714367
2014	25.8137158944375
2015	27.19131710623367
2016	27.39377633493514
2017	27.842821440929793
2018	28.371478619863122
2019	29.370833797928146
2020	30.604646149270515