Year	% of merchandise exports
1962	18.27176838363825
1965	8.129400313029677
1970	6.8059033615923425
1972	6.81268747039884
1973	6.6556108509682135
1974	4.133589506580925
1975	6.625929540449143
1976	3.3273572563057
1977	4.150787212841484
1978	4.847600772883266
2015	28.00271718065424
2016	25.09774447150925
2017	42.371299848678866
2018	53.545010982340436
2019	31.05717968162896
2020	24.366353488662035
2021	27.914960431093522
2022	15.625257555540664