Year	% of total merchandise imports
1960	6.819072533816872
1961	6.532714128107317
1962	6.653704528244245
1963	6.612191468837024
1964	6.579242455106149
1965	6.399261143139247
1966	6.281886558488288
1967	6.510451379210107
1968	7.154056552166814
1969	6.472330263225255
1970	5.9978079923188234
1971	6.550849365257585
1972	6.083914459560738
1973	6.1767755353049365
1974	10.75096448978269
1975	9.5034660094324
1976	9.617716477471202
1977	8.88083907088252
1978	7.868817363534945
1979	9.277931957307366
1980	11.332048910262134
1981	11.818102150240705
1982	9.714564841909308
1983	7.699539723873277
1984	6.820405425054414
1985	6.399976119543823
1986	3.9616576636875025
1987	3.650596847873981
1988	2.9369773025233052
1989	3.2296297564909535
1990	3.5248253894133765
1991	3.2510687023043014
1992	2.978615816452486
1993	2.9542601623591436
1994	2.5536364006749404
1995	2.325757565064508
1996	2.5166223686093963
1997	2.456640889542312
1998	2.0015725071054913
1999	2.126141181395046
2000	2.8369741996184934
2001	2.5940742365568736
2002	2.405129766079638
2003	2.407508418421274
2004	2.527416057123903
2005	3.100620153408563
2006	2.9924174340171317
2007	2.698512615177759
2008	3.1596503351635654
2009	2.5763522063147066
2010	2.865175737195568
2011	2.8417060024875447
2012	3.5726224803603444
2013	3.148384840556092
2014	2.8169824296274513
2015	2.377267727292024
2016	2.33782604778672
2017	2.4646955763433347
2018	2.688991664177932
2019	2.676596881005057
2020	2.091605279037252