Year	% of total merchandise imports
1960	1.2269249140684269
1961	0.27218043748468984
1962	0.8870105136834416
1963	0.8981946302898589
1964	0.5529017778630716
1965	1.1514268369579128
1966	1.077073435188705
1967	1.544541769968196
1968	1.385079873231629
1969	1.4086272287370853
1970	0.8060781277349268
1971	1.364987186325664
1972	3.0165294142141756
1973	2.7702033144765315
1974	5.430548891116748
1975	5.636067574688979
1976	4.125312813333223
1977	3.5017017622637203
1978	4.19321312419698
1979	2.240512036095509
1980	2.482922171110815
1981	7.287832508909621
1982	3.7924171370700024
1983	1.7840048584010566
1984	3.9719496058393826
1985	2.127608852708308
1986	4.644261795591633
1987	2.945871953444312
1988	2.47869056574403
1989	2.562963396818578
1990	2.711752077046027
1991	3.115232696813185
1992	3.9159593325186792
1993	4.386612784083139
1994	5.2081584026410415
1995	5.011791356426319
1996	4.471630603485069
1997	4.520298057175349
1998	4.587744268159348
1999	4.785398048250122
2000	4.745971805369128
2001	5.55679241521371
2002	5.417140702501449
2003	5.647976019089363
2004	5.12933464998623
2005	6.198380454079751
2006	6.65045590024407
2007	6.9929397493013195
2008	7.920956185238231
2009	8.757408144863419
2010	9.365525788850602
2011	9.563655015061952
2012	9.728351389547248
2013	9.83058024312191
2014	10.792819547279839
2015	12.53417728189278
2016	12.26022883432547
2017	13.423610475094097
2018	13.255296358405133
2019	12.53000516020407
2020	14.144125604896898