Year	% of total merchandise imports
1961	100
1962	66.57060518731988
1963	61.20218579234973
1964	100
1965	100
1966	56.68449197860963
1967	58.543417366946784
1968	51.724137931034484
1969	63.019254166586194
1970	65.29230769230769
1971	68.48502816483843
1972	64.39881706801859
1973	68.30749354005168
1974	73.3214152894584
1975	69.00233566900233
1976	72.17860170374797
1977	74.61788158228218
1978	73.31879784720866
1979	67.83952163818877
1980	68.00862467272447
1981	63.83592936875036
1982	59.52488707348079
1983	59.85870889159561
1984	54.734350180668976
1985	58.36668676984624
1986	63.53533400287637
1987	62.82817143232051
1988	62.61392771494149
1989	58.0256757869291
1990	57.322365044422455
1991	42.362967564771964
1992	55.519652922483566
1993	54.018789517480805
1994	58.24118015232481
1995	55.99032571729455
1996	56.59798058409093
1997	59.95149396363934
1998	45.09703568189458
1999	51.05656968093585
2000	54.63809493995573
2001	52.91926899930495
2002	49.4906590809027
2003	39.3947121671471
2004	37.764610465467435
2005	44.89394862052794
2006	39.544994390949576
2007	38.31526129107221
2008	39.88644744563295
2009	44.947482248645414
2010	42.75948139614432
2011	44.46071210617495
2012	45.85812760201068
2013	49.81897747921803
2014	28.42900026568908
2015	49.26983361211799
2016	41.9546284991236
2017	45.70811557793489
2018	41.54292492799926
2019	47.192298087710554
2020	40.505175075859675