Year	% of total merchandise imports
1960	0.40143408365262195
1961	0.42956650396311724
1962	0.4720598905240293
1963	0.4377417542234371
1964	0.407597238845673
1965	0.4283076831930222
1966	0.43263336736584423
1967	0.4344037704626736
1968	0.4081342055636843
1969	0.35153398075371173
1970	0.3535925902576591
1971	0.33511256520441846
1972	0.33280553919048594
1973	0.3510186855119783
1974	0.2751913567471968
1975	0.2674260899460753
1976	0.30361485362941215
1977	0.25044676759531304
1978	0.2468894570583914
1979	0.2572206174246255
1980	0.2155450929387918
1981	0.23985028783822226
1982	0.26942391640636815
1983	0.28252064924482073
1984	0.28324899498591494
1985	0.3286071478664676
1986	0.34411913927307153
1987	0.3853958910207067
1988	0.38227520135219845
1989	0.41007827259748236
1990	0.4169710470478894
1991	0.42077659759819946
1992	0.864641736253122
1993	1.707707721912007
1994	2.1864530050443833
1995	2.3436857604495795
1996	2.3410510196436882
1997	2.292189653552016
1998	2.1838573997655226
1999	2.1251456119945393
2000	2.467420835514797
2001	2.610501726083653
2002	2.678462544620745
2003	2.9413389968681503
2004	3.34294441075808
2005	3.6839479510592654
2006	4.073371933939889
2007	4.256067376221908
2008	4.867163412303363
2009	4.2349524126101805
2010	4.578916876303127
2011	5.086500743989656
2012	4.9964575242566704
2013	5.020057647414538
2014	4.687628219902116
2015	3.814669541772384
2016	3.5144228098540538
2017	3.870562922497017
2018	4.159340420422892
2019	4.064354899046609
2020	3.624998147732065