Year	% of total merchandise imports
1960	0.2620234975910743
1961	0.2728392888575955
1962	0.2897278314310799
1963	0.8585081396290597
1964	0.2690884628321561
1965	0.20605280103026402
1966	0.6109344803939905
1967	0.4977116704805492
1968	0.46449900464499
1969	0.6018875192604005
1970	0.30045497467593785
1971	0.4306899920078146
1972	0.5184776613348042
1973	1.597712306844715
1974	1.4330053490061414
1975	1.1669249703710458
1976	0.8416587968255547
1977	0.4794108532784046
1978	0.9232926361459807
1979	1.0160600369025063
1980	0.8038692633083023
1981	1.0029965558258767
1982	1.1259512861853673
1983	0.8813747228381374
1984	0.9383555011751451
1985	1.0907197533201698
1986	1.235331191633549
1987	1.5129411370028432
1988	1.7492901972981878
1989	1.5699433718142042
1990	1.6554876959034799
1991	0.640960073566766
1992	0.9318661623800338
1993	1.7887201327649733
1994	2.0376510761067252
1995	2.2150414777520893
1996	2.488171090852634
1997	3.088175164957074
1998	3.455821551242112
1999	3.3737191168071106
2000	4.29605958284438
2001	5.758418792788554
2002	7.242057834506058
2003	9.45314756238556
2004	11.787061076569817
2005	12.682701875268487
2006	14.366705595784277
2007	15.308457358217748
2008	16.10175227467286
2009	18.970804144460367
2010	20.706901364641972
2011	20.43601976374925
2012	20.592891019524323
2013	21.57849494287065
2014	22.70802521327506
2015	24.73678697946626
2016	25.622719299656605
2017	25.317147965297632
2018	25.891666426230444
2019	26.870710922670117
2020	28.485571273385634