Year	% of total merchandise imports
1964	0.0408997955010225
1965	2.3738872403560833
1966	1.9417475728155338
1967	0.6679035250463822
1968	0.44657097288676234
1969	0.27230833682446587
1970	0.052109116489929906
1971	0.6777681880489415
1972	0.0679794248940654
1973	1.148276881077354
1974	1.0852006792859212
1975	1.011519590414563
1976	0.17809095745090936
1977	1.11802534190775
1978	0.3352145504065786
1979	0.4512568976088289
1980	0.8607217156627154
1981	3.1577057040000667
1982	2.0833428808425025
1983	0.4499254641550346
1984	0.8887040322093053
1985	0.7027404485000183
1986	1.1203644289253634
1987	0.7156848196383567
1988	1.4687523189509883
1989	1.5257529273344375
1990	1.2010260989840613
1991	1.9687744636632143
1992	2.018876111223856
1993	2.068149776666037
1994	2.257708966509344
1995	2.005005071624652
1996	1.6942168245843117
1997	1.146354275213401
1998	2.2617296850980093
1999	1.4469760831881733
2000	1.8610440552009915
2001	3.4285909457639674
2002	1.6106605843250448
2003	1.935171343525774
2004	1.5090984697733445
2005	2.1099158542542917
2006	2.0420611545632217
2007	1.9972996282846311
2008	3.0577570644993313
2009	2.68308193863694
2010	4.581652806514526
2011	5.709501120810032
2012	5.199388550288605
2013	2.3814964780854626
2014	3.35941919319691
2015	2.452306412137628
2016	3.110289491560342
2017	1.7714251393207856
2018	3.8586172795838007
2019	2.9775832429564395
2020	2.9002052535127865