The number of respondents was 5516 and the response rate was 56%. Girls more often than boys
reported experiencing at least one dimension of cyberbullying during the last year. The proportion was highest
among 14-year-olds and lowest among 18-year-olds of both sexes. Among girls, the most commonly encountered
dimension was witnessing the cyberbullying of friends (16%); and being a victim was slightly more common than
being a bully (11% vs. 9%). Among boys, an equal proportion, approximately 10%, had been a victim, a bully, or
had witnessed cyberbullying. The proportion of bully-victims was 4%. Serious and disruptive cyberbullying was
experienced by 2% of respondents and weekly cyberbullying by 1%; only 0.5% of respondents had been bullied
weekly and considered bullying serious and disruptive.