This could be possible, but I have to know either where or how the actual countries are stored, or preferably if there is any function/class that is used to translate the option values to country names. Maybe an internal function that expects the option value as the parameter and returns the country name, or a list of countries with the codes or anything like that.
If such thing exists, it should be possible relatively easile. Let me know anything you know about it, and I will try to help.Best,
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