;Investigations started during the year; Year;; 2016;47865; 2017;48732; ;; 2018;47279; Age;; 0-2 years;5610; 3-5 years;7811; 6-12 years;19772; 13-17 years;13268; 18-22 years;818; Unknown age;0; Sex;; Boys;25049; Girls;22230; Unknown sex;0;