The largest increase was in Welsh Second Language (0.7 percentage points) and the largest decrease was in Modern Foreign Language (0.3 percentage points).
Gwelwyd y cynnydd mwyaf yng Nghymraeg Ail Iaith (0.7 pwynt canran) a’r gostyngiad mwyaf yn Ieithoedd Tramor Modern (0.3 pwynt canran).