 Countdown data was taken from request and votes for local countdown shows during the week on each station as well as airplay and this information put together made up the hottest 30 songs for the week on New Zealand radio.At the end of every year a "Best Of" show was produced playing the 30 best songs for the entire year, based on chart information taken from the previous years Top 30 countdowns.Originally the Shake 30 Countdown was hosted by Robert Scott but in 1993 the show was taken over by Robert Rakete, today both announcers work on Auckland's The Breeze.