Try contacting the registry who manages portugal's domain names(i dont even know what extension that is off the top of my head -- but normally it will be http://www.nic.<your country code extension>. See if you can find any statistics there, or even email them asking for the information.
I think asantos is asking for the number of gTLD(CNO, etc.) that are registered in specific countries (e.g. Portugal) in contrast to worldwide.
Co-Founder@HostHideout. Profoundly influenced by #Bauhaus, @Nameslave unrepentantly embraces #Minimalism with a bias for functionality, color theory and pixel precision: a #multimedia messenger in the McLuhan sense. His totally irrelevant M.Ed. dissertation examines Organizational Culture and Change Management. He also likes Patrik Ervell, Wong Kar-wai and IKEA.