There were fears in some quarters that the broadcaster was overly reliant on the show, However, many insiders at Channel 5 were in no doubt about the value Big Brother brings to the broadcaster. In 2014, Channel 5 was the largest commercial free-to-air network to grow its audience share, including among 16- to 34-year-olds and ABC1 viewers. The last series of Celebrity Big Brother broadcast in January proved to be its most popular yet, attracting an average audience of 3.1 million per episode and an 11.4% share of viewing.