Year	% of total merchandise imports
1964	29.310344827586203
1965	30.693069306930692
1966	35
1967	29.7029702970297
1968	23.348017621145374
1969	18.803418803418804
1970	23.18339100346021
1971	25.68807339449542
1972	39.35860058309038
1973	26.143483248521925
1974	24.412015702338284
1975	22.708407199616243
1976	24.33706260414187
1977	24.948623463132904
1978	25.838831873925116
1979	23.105108125583733
1980	17.70132157140271
1981	17.510245501736847
1982	24.72611874753769
1983	25.80526937329478
1984	28.321417637630788
1985	25.274069904578106
1986	15.76836033334359
1987	21.248066557918797
1988	24.91531498785887
1989	25.783668439876177
1990	26.052576819033085
1991	22.803408756979135
1992	24.76676030936774
1993	22.117514613283344
1994	18.74200741075427
1995	18.888407877842482
1996	19.95364338638133
1997	12.801863699924986
1998	17.121441382806353
1999	18.668500853170574
2000	0
2001	0.2759214892189563
2002	0.7998795498576915
2003	0.612073109063617
2004	0.3169203785157455
2005	0.09431111769621499
2006	0.09615305455488368
2007	0.17812333475714512
2008	0.031222825273171655
2009	0.14452951336087425
2010	0.10451807140469961
2011	0.268317729207062
2012	0.10155227819634795
2013	0.09544936029443382
2014	0.29762333130366614
2015	0.7192706764162433
2016	1.394096306943115
2017	0.0633390108882558
2018	0.0765778814666032
2019	0.025914345651922237
2020	0.5281277408416053