Year	% of merchandise exports
1962	13.82032780815404
1963	8.305722565770871
1964	10.894515944650204
1965	12.03405891524423
1966	14.961144374203197
1967	13.780147875347387
1968	18.29462755574653
1969	22.147882816822385
1970	12.869046912896994
1971	15.014755214903614
1972	17.81090723210992
1973	11.130419000413566
1974	8.561637262389963
1975	8.167080318936362
1976	16.84322044954625
1977	12.446841252269877
1978	15.109384648508954
1979	11.162137395150669
1980	16.65281834143828
1981	29.82263697085091
1982	25.614303386918895
1983	10.84174058657328
1984	2.9626084253909832
1992	9.886458449662706
1996	6.100076928027729
1997	11.356380901995749
1998	6.868372609323405
1999	7.69066693696787
2000	11.915863178658451
2001	10.863606566846453
2003	2.4685707203861886
2004	1.497373933982405
2005	3.604068536006158
2006	2.1610213622126335
2007	2.8723402330438565
2008	3.5136832029090708
2009	1.7490488969894575
2010	4.0148945047212194
2011	1.3651363873600753
2012	1.4726328513901084
2013	2.0686558809315105
2014	1.7360542892229602
2015	1.5311485058201795
2016	1.9038238826757508
2017	1.945033307311246
2018	2.7958984439648855
2019	3.041297057816237
2021	2.902779515955676
2022	1.8752282216153
2023	3.797899723249393