Year	% of total merchandise imports
1960	0.9217705978990555
1961	0.7999398563601301
1962	1.223441265400276
1963	1.22103290334651
1964	1.4579995852486616
1965	1.6560401008258858
1966	1.90760942583128
1967	2.016263800952341
1968	2.119018420615802
1969	1.8760744225605637
1970	2.0911860976873244
1971	1.7100705768220723
1972	2.29689562841227
1973	2.6432711995351252
1974	2.9605352185044733
1975	2.4934383407195138
1976	2.381534205996719
1977	2.5706470649964133
1978	2.4151326381184943
1979	2.3666670382757533
1980	2.7232506050413012
1981	3.039242501546039
1982	2.8705950966617935
1983	2.9778872429725207
1984	3.5701641706694995
1985	3.9374407634498088
1986	2.903521657221628
1987	3.4913705102707357
1988	3.1566598225098814
1989	3.2080082953801132
1990	2.6615192660923914
1991	2.558968509217369
1992	2.4370984011988286
1993	2.683488695372528
1994	2.794933503948702
1995	2.6908090673708833
1996	2.9369744689031756
1997	2.9640715658317314
1998	3.0715557311071553
1999	3.095584969115435
2000	2.830822330302147
2001	3.1460586206398604
2002	3.0770045592726487
2003	3.037020956217486
2004	2.9344239340206126
2005	2.996651125122464
2006	2.9502279412955876
2007	3.0125098405590816
2008	2.839471164440035
2009	3.2120346519728655
2010	2.922984415020842
2011	3.1345221248634205
2012	3.382102089561996
2013	3.4520031145354104
2014	3.5952519402189695
2015	3.6345662555731573
2016	3.6199337643220892
2017	3.5704756863978004
2018	3.2552607862804144
2019	3.274926530779412
2020	3.550249542308564