Year	% of total merchandise exports
1963	0.10598834128245893
1964	0.1135718341851221
1965	0.05927682276229994
1966	0.11799410029498525
1967	0.3232062055591467
1968	0.417910447761194
1969	0.2516453735965931
1970	0.15272440634545276
1971	0.330498177399757
1972	0.04872446316082553
1973	0.07121898413241033
1974	0.03952518774464179
1975	0.021505607587178354
1976	0.02159543303537895
1977	0.02915945518850177
1978	0.05378068801539826
1979	0.11251535682572891
1980	0.04886773922656128
1981	0.2854505837464437
1982	0.2107049981988917
1983	0.2980002479031525
1984	0.4402386784207516
1985	0.3694002283565048
1986	0.2862739189392798
1987	0.2206886371185002
1988	0.23550418132921475
1989	0.05959976260585173
1990	0.007871420431398449
1991	0.02060495557470872
1992	0.014209830423123312
1993	0.10125505010582422
1994	0.12027835945198455
1995	0.12149423819848944
1998	0.4463156656955798
1999	0.24235857269363872
2000	0.3574232072310805
2001	0.3671097869174798
2002	0.3690314341869068
2003	0.7196948510102151
2004	1.9718174731615665
2005	4.102878727982528
2006	4.008316035621409
2007	1.4677913284449877
2008	1.0081078673134927
2009	1.0610971246588097
2010	0.7025792435152468
2011	0.5044614259683543
2012	0.9326201363290121
2013	0.546974014114189
2014	0.4072593068381468
2015	0.5143981930444844
2016	0.8077477095754639
2017	1.383329921128385
2018	0.9091200364440256
2019	0.9091198268051368
2020	0.9091198322018452