Overall absenteeism by pupils of compulsory school age from maintained primary schools, by local authority and free school meal entitlement, September 2012 to August 2017
Lefel gyffredinol yr absenoldebau gan ddisgyblion o oedran ysgol gorfodol o ysgolion cynradd a gynhelir, yn ôl awdurdod lleol a'r hawl i gael prydau ysgol am ddim, Medi 2012 to Awst 2017