Year	% of total merchandise imports
1964	40.53398058252427
1965	50.165837479270316
1966	45.561357702349866
1967	47.14104193138501
1968	47.93741109530583
1969	45.31036267514511
1970	44.04755586221538
1971	58.75350782267383
1972	56.083660453315034
1973	50.56929309863091
1974	47.63275973110066
1975	52.55787722189336
1976	55.46239318731955
1977	52.18774217173222
1978	52.74199452132433
1979	47.41746405490707
1980	49.39242006426765
1981	48.9895592581094
1982	45.78313253012048
1983	43.116766706682675
1984	40.76676300791674
1985	50.89934069685569
1986	60.72972239438389
1987	37.02953020134228
1988	49.70865963324607
1989	41.48153943168465
1990	49.409827954000335
1991	47.953926440634994
1992	45.251168575926606
1993	33.44252830699394
1994	31.166472035621982
1995	44.65111074253993
1996	29.66544576392552
1997	27.501589213695894
1998	27.750075022699818
1999	25.582319074157688
2000	34.73043672741217
2001	28.553414761406547
2002	32.621684768328485
2003	28.55853709977143
2004	26.45781500304803
2005	25.498670038169724
2006	28.629797520388163
2007	30.97113193096871
2008	27.642921780543066
2009	26.47009930844371
2010	32.38865647553993
2011	33.03190885647305
2012	34.70976054751902
2013	33.771080067716476
2014	31.871913265881936
2015	37.69788459234796
2016	36.22264863440291
2017	39.18595024469318
2018	39.80988077035943
2019	39.46256010100786
2020	33.553191021316096