Year	% of total merchandise imports
1960	0.5838198498748958
1961	0.6866952789699571
1962	1.7377567140600316
1963	1.2756909992912826
1964	0.8021390374331552
1965	0.4464285714285714
1966	1.0264721772015126
1967	1.1198945981554678
1968	1.0698552548772813
1969	0.8265332982363779
1970	0.6694606215642519
1971	1.3112356812088717
1972	0.7571214392803598
1973	0.9522657879621511
1974	0.8133245923133655
1975	0.28938423947910835
1976	0.2642059632264441
1977	0.2722585877309853
1978	0.24753796471749978
1979	2.155522017227749
1980	1.3892458800874756
1981	1.1928298405166733
1982	0.12009161365540395
1983	0.0016655396515024834
1984	0.2597918774389363
1985	0.24219482166155204
1986	0.8296584714029793
1987	0.1101547910210825
1988	0.592885375494071
1989	0.017047813416536012
1990	1.526035460964609
1991	3.3677710015389635
1992	1.7454902157340861
1993	0.9635527416127254
1994	0.43931560551938603
1995	0.3435338057019529
1996	0.5924136429605499
1997	0.9374234387408473
1998	1.2415775908512967
1999	0.8464231577058003
2000	0.7859376437540139
2001	0.995280437446738
2002	0.7626584764763017
2003	0.7644900294160334
2004	0.794063164019574
2005	0.6852908994663063
2006	0.6325226358297716
2007	0.5623248063062518
2008	0.4526187014329528
2009	0.5876379678649396
2010	0.6319778021167576
2011	0.5809303177693897
2012	0.563328788601326
2013	0.6073662171948012
2014	0.6563789417242236
2015	1.6958660097888643
2016	2.6804994174922934
2017	2.9900804586883254
2018	2.1559918823953255
2019	0.7531069476046258
2020	1.0387932719758928