Year	% of total merchandise imports
1960	82.84106891701828
1961	81.04838709677419
1962	81.0204081632653
1963	80.84914182475158
1964	78.7746170678337
1965	76.96629213483146
1966	72.002200220022
1967	71.56188605108055
1968	65.46644844517185
1969	66.32332323278007
1970	64.53980943761472
1971	62.89296540338994
1972	61.6910048065919
1973	61.20515322933462
1974	65.30976041055143
1975	60.619301205938356
1976	57.140279894536846
1977	60.95630914433219
1978	58.702479102014536
1979	45.24777777777778
1980	43.33686366203188
1981	47.80421274121876
1982	43.43441121927109
1983	40.62352713543657
1984	43.95949547332976
1985	30.739356161082558
1986	41.42458544168553
1987	42.32493380799437
1988	39.87749486561189
1989	41.73350787155264
1990	45.94084235376699
1991	48.03545759463345
1992	46.636642788616
1993	47.27900185824263
1994	47.02827466820542
1995	56.367924528301884
1996	60.72635867209847
1997	58.07697613463926
1998	52.08822149225716
1999	52.73137455014234
2000	45.892545215536266
2001	45.52620313007977
2002	46.31592525357765
2003	45.143314713768476
2004	39.56902266727672
2005	36.478861324900556
2006	36.77006414417999
2007	36.238565451481556
2008	34.88241168608893
2009	34.711524091851025
2010	35.226146141899015
2011	29.252135488167053
2012	31.760471328635376
2013	28.020754380088913
2014	31.244131323385872
2015	35.1031186550336
2016	31.360891473145337
2017	33.7474172227839
2018	35.66220833798347
2019	37.39032720999661
2020	33.737487248980344