For example, it was rumored that at one time,, one of the networks had only about 18 sites in Nairobi and wider outskirt areas eg Thika

I dont know if they increased the number,, however - they would not be proud to announce such dirty linen lest their competitors use this as a campaign tactic against them.

The only way to get such info (i think) is if CCK actually forces them to publish.