Year	% of merchandise exports
1962	39.66225151144297
1963	51.728529734825415
1964	47.9735400201378
1965	50.87483044126358
1966	43.87512380378587
1967	41.635349707216385
1968	45.07869314614615
1970	29.039366727846822
1971	34.26810294511593
1972	38.689573754336465
1973	31.95322109132679
1974	7.995038533496519
1975	11.611917031792048
1976	12.977628484995888
1977	15.891694069208054
1978	21.472575091045215
1979	7.623241815597372
1980	6.669787871883197
1983	8.97695585836797
1984	3.5902430878677145
1985	3.5003432846566143
1986	2.4542664987058367
1993	2.4569085596574625
1994	2.144836049858424
1995	2.709529768892548
2007	9.6792134223382
2008	13.580563823272032
2009	26.961505980584878
2010	30.192292570339436
2011	21.421565385372286
2012	20.10099401410244
2013	23.190747006042606
2014	52.32540843370993
2015	67.43025903270974
2016	78.32781328651586
2017	50.00015267842749
2018	14.417349602081838
2019	8.404031769109118
2020	17.026733976794336
2021	25.144893787511
