Just more than 70,000 (70,325) new child patients were treated, 23.2% of all children treated in the year.
Cafodd ychydig dros 70,000 (70,325) o gleifion newydd sy'n blant eu trin, sef 23.2% o'r holl blant a gafodd eu trin yn ystod y flwyddyn.