This is a good question to learn from and to those who are eager to excel more.
No. That is the answer. Marketing and duplication should not be only to people from your own country alone.
This is why many of the SFI Affiliates build up a website and day-today working hard, trying to spread to all other countries.
SFI Commission business might be more lucrative for you in some countries other than your own country depending on the term "who is available" for business and success.
You should try to extend your marketing to round the world if you wish to be the most successful affiliate in SFI or if you wish to be among the successful affiliates in SFI.
Team building or duplication is one of the popular key ways of being successful in SFI business.