Year	% of merchandise exports
1971	0.010677507578339913
1972	0.03155673473149999
1973	0.04010662519308634
1974	0.03269401061281378
1975	0.04398762554405324
1976	0.02035602496222968
1977	0.013808638794837822
1978	0.001627185084920361
1979	0.00022051690568888234
1982	0.0006310433984176442
1984	0.0004908196500707471
2012	0.04030463613454537
2014	0.0016710530416465688
2015	0.01990158226857162
2016	0.015281237898095185
2017	0.00780946207028584
2018	0.008397190607279675
2019	0.07756996054642883
2020	0.0005810453581804381
2022	0.0819046646406646