FACTFILE... on Big Brother
ABOUT 38 million viewers have watched Big Brother at least once, which equates to 69 per cent of the population.
Over the past nine years 144 housemates have walked through the doors of Big Brother – 66 males and 78 females.
Around 382 cameras have been used to keep an eye on the housemates over the past nine years as well as over 340 microphones and 18,000 radio mic batteries.
To keep it all up and running more than 640km of cable is used in the set up .