only four per cent of establishments reported having a vacancy they were finding difficult to fill at the time of the survey (March to July 2011).
dim ond pedwar y cant o sefydliadau a ddywedodd fod ganddynt swydd wag yr oeddynt yn cael anhawster i'w llenwi adeg yr arolwg (mis Mawrth i fis Gorffennaf 2011).