How much are Slavic languages worth?

East Slavic: Russian, Ukranian, Belarusian.
Russian: Russia, Belarus, Kazakhstan, Kyrgyzstan.
Belarusian: Belarus.
Ukranian: Ukraine.

Total: 1,105,694 million USD, roughly equivalent to the economy of Brazil. Add on extra for all the extra benefits Russian brings in trade and diplomacy.

West Slavic: Czech, Slovak, Polish (all official in one country each).

Total: 538,589 million USD, slightly larger than the economy of Turkey.

South Slavic: Serbian, Slovenian, Croatian, Bosnian, Bulgarian, Macedonian.
Serbian: Serbia, Bosnia and Herzegovina, Montenegro.
All the rest are official in their respective countries.

Total: 162,338 million USD, about the size of the economy of the United Arab Emirates.


Total of all slavic languages: 1,806,621 million USD, about the size of the economy of Italy.



These calculations were pretty quick so let me know if there are any errors there.