Check https://www.intracen.org/coffee-guide/world-coffee-trade/conversions-and-statistics/

https://presto-coffee.com/blogs/coffee/how-much-ground-coffee-to-use-per-cup

Also check https://honestcoffeeguide.com/tools/whole-bean-to-ground-coffee-ratio/

https://www.sciencedirect.com/science/article/pii/S0963996912002360

Dear Dr Peyman Ebrahimi,

I invite you to read this article:

Article Cafestol extraction yield from different coffee brew mechanisms

Best regards,

Pr Hambaba

Dry coffee is 11% of the wet coffee. So if you know the yield in tons per hectare you can calculate the 11%. Look at this magazine

https://www.newfoodmagazine.com/article/28006/process-coffee-production-seed-cup/

https://kahawaestate.com.au/

A coffee farm may be able to assist with your question.