Year	% of total merchandise imports
1961	100
1963	43.988269794721404
1964	41.59779614325069
1965	31.61592505854801
1966	28.53333333333333
1967	44.639376218323584
1968	42.41486068111456
1969	54.64148033924441
1970	55.27566433878489
1971	63.065791687699814
1972	62.374258283036646
1973	58.33966806030661
1974	56.069935853020716
1975	51.49048781514374
1976	57.78621125869703
1977	57.367197686943705
1978	55.7996129312558
1979	55.25808411752148
1980	46.432128819471714
1981	51.89242785325378
1982	48.37857141079592
1983	59.85795899476156
1984	57.797965922842586
1985	62.839757169299425
1986	55.782829777666734
1987	53.16612677336241
1988	57.53666601557652
1989	51.5617830449183
1990	46.47702676555378
1991	40.609920587555145
1992	43.90449670225276
1993	43.26785205853092
1994	34.100304476563146
1995	39.97196035920411
1996	38.37518306099542
1997	40.97688819001028
1998	39.99295328626335
1999	38.64814739490917
2000	6.9001399053728
2001	51.016345901609704
2002	45.631590880741754
2003	44.420081936987025
2004	42.29943310533771
2005	32.43113589100442
2006	36.85700422505311
2007	33.95414066550661
2008	33.28490829710535
2009	33.48212377326617
2010	38.958311628445706
2011	29.19551824099427
2012	28.080432142172825
2013	30.784770769800623
2014	28.44333754698362
2015	33.2339259765764
2016	30.675069637892438
2017	31.810550921611053
2018	32.51654408913425
2019	27.495596304764103
2020	27.368413772339835