Cameroonexports of Gases, rare; other than argon was $0.37K . Cameroonexported Gases, rare; other than argon to Chad ($0.37K )Cameroonexports of Gases, rare; other than argon was $0.37K . Cameroonexported Gases, rare; other than argon to Chad ($0.37K ).Gases, rare; other than argon imports by country in 2021