43 The results of the IfD survey are based on those of the total population of Switzerland. As the survey was not about a « wellknown trade mark » (where the total population would be the reelvant circle for the broader protection required there) but about acquired distinctiveness, it should have included questions to identify narrower circles as well, for example of « buyers / consumers of chocolate bars » « since chocolate bars address a broad range of consumers » (…) but not everybody.