The percentage of caseload where children were from families where English or Welsh was not the first language was 4.4%, a decrease since the previous year.
Canran y llwyth achosion lle'r oedd plant yn dod o deuluoedd lle nad y Gymraeg na’r Saesneg yw'r iaith gyntaf oedd 4.4%, gostyngiad ers y flwyddyn flaenorol.