 Complete the following phrase:  Around 1500 people are surveyed for the Christchurch market, in which 72.8 percent of the population of 365 thousand people are radio listeners. Under breakfast hosts Simon Barnett and Gary McCormick, More FM consistently leads the ratings with around 70 thousand listeners. Newstalk ZB maintains the highest market share at 15.3 percent, with nearly 56 thousand listeners. Its local news and morning programme provide a particular focus on the issues that have followed the 