Please tell me is it real all, and most importantly in what direction I dig?
A cheat actually, cheat without consequences - real, but dangerous.
1. Is the weighted average of the statistics of visits to the sites of this subject across countries.
2. There is a tendency for your domain, which should not go beyond the trends of the same segment, sites (the country, the existence domain on the subject, time of year etc.)
Any output values of the average cluster according to any one of points is a ban of the domain.