Year	% of merchandise exports
1965	1.0875714327736905
1966	1.1607206731171889
1967	2.4815165033713087
1968	0.8484074956942301
1969	0.6059685695679311
1970	0.5545210852005963
1971	0.43863321905362396
1972	0.31105498222351835
1973	0.174869006903388
1974	0.3152799247244568
1975	0.5237148166098344
1976	1.6880583948006591
1977	2.155557512439306
1978	5.094163373792937
1979	5.030223156758569
1980	2.4737614276019
1981	4.158016821710117
1982	3.8631794807052033
1983	3.160609250025423
1984	4.29957441682125
1985	4.061622761930394
1986	5.786860388067447
1987	8.119022941700077
1994	5.328400065379661
1995	6.410266926832666
1996	5.946051500434864
1997	4.961312627890313
1998	5.503383375308857
1999	4.385052162151194
2000	3.8724542503984987
2001	4.5593387053884245
2002	4.584648631487069
2003	3.1273079878311156
2004	3.600709169979203
2005	2.8068256983564654
2006	2.257485265854063
2007	2.7734529868199567
2008	6.475423515258311
2009	7.1301741473884235
2010	6.009642256837707
2011	5.759735970788638
2012	5.695068632168597
2013	4.973370811286557
2014	4.103534666550567
2015	4.4395949140116056
2016	3.663416934401692
2017	3.858754177012154
2018	3.9376029298706166
2019	3.4285889519429023
2020	3.6301750565844366
2021	3.547537552411501
2022	2.9169413147941423
2023	4.708936162225311