Year	% of total merchandise imports
1960	0.6930693069306931
1961	1.0040160642570282
1962	1.2711864406779663
1963	0.7892659826361484
1964	0.7560137457044673
1965	0.9855493076969587
1966	0.9993108201240523
1967	1.0596582952105311
1968	0.696727728197902
1969	0.855477951812208
1970	0.5952380952380952
1971	0.949534024969228
1972	1.12324297188755
1973	1.074673445247024
1974	0.8857905053869621
1975	0.5534517914360617
1976	1.0339703636438684
1977	1.410169035178501
1978	0.9792913757250011
1979	1.3396513030812605
1980	2.5376565509528417
1981	1.3557193994764118
1982	1.1860033497804536
1983	0.9548314882813034
1984	1.2238800903057154
1985	1.1969438357123243
1986	0.8590467672568473
1987	0.9089440815447563
1988	1.1865588305754244
1989	1.29978433750387
1990	0.7571641213190001
1991	1.551731045180442
1992	0.7286225311884548
1993	1.9462708130282587
1994	1.1289316641059515
1995	2.5929884000159316
1996	2.079963057114965
1997	4.100785928184094
1998	4.37155006281055
1999	4.310298911112557
2000	6.00185066256447
2001	6.1105750480591965
2002	5.70782714489158
2003	6.842341725194966
2004	9.00842533428677
2005	11.19771698975886
2006	12.240452128473434
2007	13.432761891973929
2008	15.072590111604786
2009	11.353494453692308
2010	11.665746482765677
2011	13.535469601857338
2012	16.340012128339392
2013	17.493955965560623
2014	17.286954673379064
2015	20.371344017384057
2016	20.287704782297084
2017	20.226069219301348
2018	20.497071347001086
2019	21.89795841170521
2020	19.98912919594885