5% of immigrant backgrounds, 95% ethnic NorwegiansOnly 20% of those interviewed in Norwegian newspapers come from immigrant backgrounds.4: Who (of those aged 18-29) are the most eager Facebook users, and spend time on that site every day? A:54% of all women and 72% of all men B:72% of all women and 54% of all men C:54% of all women and 54% of all men