Year	% of total merchandise imports
1960	2.3758061170188776
1961	2.2806819545223616
1962	2.214900498620076
1963	2.369202114570956
1964	2.565859046001812
1965	2.6633175561708944
1966	2.6103108277563574
1967	2.7623766610868348
1968	2.926342937742433
1969	2.681591204811409
1970	2.9816593139515435
1971	3.719852390112514
1972	4.064324338866321
1973	4.183824642790972
1974	7.694338801811733
1975	6.612917892590629
1976	6.996841463735907
1977	6.676541291191571
1978	4.272951758184349
1979	6.3508403491068135
1980	8.088595056740312
1981	8.219513358489836
1982	8.169669721294664
1983	7.1362379295755884
1984	7.366335168710654
1985	7.533767326423792
1986	6.246396562093164
1987	6.334375077287992
1988	5.812575647701949
1989	6.553944914884842
1990	6.74825316560983
1991	5.440680226938645
1992	5.63160686816153
1993	5.0211922266875995
1994	5.237069509676339
1995	5.419644435755769
1996	5.4117015862472755
1997	5.029569425153274
1998	4.315975435576383
1999	5.048045908117099
2000	4.736518373285043
2001	4.5408406540160025
2002	4.646346235964341
2003	5.092065837195501
2004	5.661139299137688
2005	5.70781949579779
2006	8.151651479083947
2007	8.801234459442725
2008	10.042356181421132
2009	8.966485564580086
2010	10.030385622311977
2011	10.181854296190682
2012	10.71739229207813
2013	10.88578140430127
2014	10.02016718580919
2015	7.935530004957998
2016	7.6356980907690035
2017	8.330193530690872
2018	9.165545646564551
2019	9.129097598424558
2020	8.824732529834176
