The number of minutes called with mobile phones in Germany increased from 136.5 billion in 2007 to 150.2 billion in 2008. This means that a German citizen called 30.5 hours on average with their mobile phone, 10 percent more than in 2007, according to the German ICT industry association Bitkom citing figures from German telecommunications regulator BNA. At the same time, the number of active Sims grew to more than 107 million in 2008, meaning an average of 1.3 mobile connections per citizen.