Year	% of merchandise exports
1962	95.15259483468346
1965	15.508747666415559
1970	11.984389416248833
1972	14.039640708829737
1973	13.66523462060338
1974	11.987549653092003
1975	17.708339538718235
1976	25.666814473318368
1977	27.902314663988133
1978	32.509303473313444
2015	0.6812633684686227
2016	0.9275731703918688
2017	0.59710088348942
2018	0.398113187322957
2019	0.7106760974186883
2020	0.8429692597336615
2021	0.6093937928642079
2022	0.7491646804659855