Year	% of merchandise imports
1962	5.347651260074008
1963	5.577205198962397
1964	5.452093243642193
1965	4.994450037748311
1966	5.508713193156936
1967	6.05444227698891
1968	1.7579872746012661
1969	1.5060005984849556
1970	1.3369904546403135
1971	1.222526182607251
1975	1.2725159224958684
1976	0.7718087073823809
1977	1.088136336727504
1978	1.226736646065443
1979	1.5121193272758362
1980	1.3713536775681232
1981	2.6665285694355294
1982	1.0311832097121063
1983	1.7680685478838116
1993	1.7800754020538503
1994	2.3468477033487583
1996	3.440841423118007
1997	2.328218358418915
1998	2.604168027243461
1999	2.096109874427712
2000	4.117172329344529
2001	6.0860936455792025
2002	1.8231365083318705
2003	2.670812241129922
2004	3.1730611110405116
2005	3.655264975168223
2006	3.8862321952926577
2007	4.884405745702277
2008	4.72852258352053
2009	7.2863469360272255
2010	10.566874238776403
2011	3.81285124596896
2012	12.810471993694367
2013	9.807877191085256
2014	8.750313922922876
2015	6.607072984507882
2016	4.002937916952905
2017	3.1187347345420986
2018	8.153434045839164
2019	6.921074914556997
2020	4.655380124926901
2021	4.310743811274375