Year	% of merchandise exports
1962	18.326885592415728
1963	17.129923962942705
1964	17.308868672114883
1965	19.329529016567008
1966	21.454020083019707
1967	26.298461816202718
1968	34.559303280140966
1969	27.932567842002637
1970	25.759449336880948
1971	26.828945883301913
1972	34.22242912585053
1973	47.67620605505457
1974	31.40629129949521
1975	30.22809693928523
1976	28.675384138662096
1992	35.8256510611208
2010	8.788385334128606
2011	11.856415457069303
2012	23.825263606070802
2013	9.145451198531479
2014	5.096139937088397
2015	2.561208024387232
2016	2.459928521220285
2017	2.4055454867729664
2018	1.8841267137034294
2019	2.125158466134275
2020	2.823657379019089
2021	3.8389434311922948
2022	3.496632282385196
2023	2.120083055631848